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ZIP Codes in Maryland

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ZIP Codes in Maryland

Here is the most complete and accurate database of postal codes in Maryland or zip codes in Maryland. Information of postal/zip codes of Maryland is presented on the basis of the latest versions of the postcode database shared by the authorities via the internet. We would like to note that, unlike other sites with zip codes / postal codes databases, we only have tried to shared on real operating indexes/codes, there is no outdated information, and you can be absolutely sure that the index found on our website will be exactly valid and correspond to the selected address. Postal Code / Zip Codes in Maryland.

      

 

ZIP Code Type Cities County Area Codes
20588 Unique Dhs, Camp Springs, Cheltenham, Columbia Howard County Area Code 410
20601 Standard Waldorf Charles County Area Code 240
20602 Standard Waldorf, Saint Charles Charles County Area Code 240
20603 Standard Waldorf, Saint Charles Charles County Area Code 240
20604 PO Box Waldorf, Saint Charles Charles County Area Code 240
20606 Standard Abell St. Mary’s County Area Code 301
20607 Standard Accokeek Prince George’s County Area Code 301
20608 Standard Aquasco, Eagle Harbor Prince George’s County Area Code 240
20609 Standard Avenue St. Mary’s County Area Code 301
20610 PO Box Barstow Calvert County Area Code 410
20611 Standard Bel Alton Charles County Area Code 240
20612 PO Box Benedict Charles County Area Code 240
20613 Standard Brandywine Prince George’s County Area Code 240
20615 Standard Broomes Island, Broomes Is Calvert County Area Code 410
20616 Standard Bryans Road Charles County Area Code 301
20617 Standard Bryantown Charles County Area Code 240
20618 Standard Bushwood St. Mary’s County Area Code 301
20619 Standard California St. Mary’s County Area Code 301
20620 Standard Callaway St. Mary’s County Area Code 301
20621 Standard Chaptico, Maddox St. Mary’s County Area Code 301
20622 Standard Charlotte Hall, Charlott Hall Charles County Area Code 240
20623 Standard Cheltenham Prince George’s County Area Code 240
20624 Standard Clements St. Mary’s County Area Code 240
20625 PO Box Cobb Island Charles County Area Code 240
20626 Standard Coltons Point St. Mary’s County Area Code 240
20627 PO Box Compton St. Mary’s County Area Code 240
20628 Standard Dameron St. Mary’s County Area Code 240
20629 PO Box Dowell Calvert County Area Code 410
20630 Standard Drayden St. Mary’s County Area Code 301
20632 Standard Faulkner Charles County Area Code 240
20634 Standard Great Mills St. Mary’s County Area Code 240
20635 PO Box Helen St Mary’s County Area Code 240
20636 Standard Hollywood St. Mary’s County Area Code 301
20637 Standard Hughesville Charles County Area Code 240
20639 Standard Huntingtown Calvert County Area Code 410
20640 Standard Indian Head, Pisgah Charles County Area Code 240
20643 PO Box Ironsides Charles County Area Code 240
20645 Standard Issue, Swan Point Charles County Area Code 240
20646 Standard La Plata, Dentsville Charles County Area Code 240
20650 Standard Leonardtown St. Mary’s County Area Code 240
20653 Standard Lexington Park, Lexington Pk St. Mary’s County Area Code 240
20656 Standard Loveville St. Mary’s County Area Code 301
20657 Standard Lusby Calvert County Area Code 410
20658 Standard Marbury, Rison Charles County Area Code 240
20659 Standard Mechanicsville, Mechanicsvlle St. Mary’s County Area Code 240
20660 PO Box Morganza St. Mary’s County Area Code 240
20661 PO Box Mount Victoria, Mt Victoria Charles County Area Code 240
20662 Standard Nanjemoy Charles County Area Code 240
20664 Standard Newburg Charles County Area Code 301
20667 Standard Park Hall St. Mary’s County Area Code 240
20670 Standard Patuxent River, Patuxent Rvr St. Mary’s County Area Code 240
20674 Standard Piney Point St. Mary’s County Area Code 301
20675 Standard Pomfret Charles County Area Code 301
20676 Standard Port Republic Calvert County Area Code 443
20677 Standard Port Tobacco Charles County Area Code 240
20678 Standard Prince Frederick, Dares Beach, Prnc Frederck Calvert County Area Code 410
20680 Standard Ridge St. Mary’s County Area Code 240
20682 PO Box Rock Point Charles County Area Code 240
20684 Standard Saint Inigoes St. Mary’s County Area Code 240
20685 Standard Saint Leonard Calvert County Area Code 410
20686 PO Box Saint Marys City, Saint Marys, St Marys City St. Mary’s County Area Code 240
20687 Standard Scotland St. Mary’s County Area Code 240
20688 Standard Solomons, Dowell Calvert County Area Code 410
20689 Standard Sunderland Calvert County Area Code 410
20690 Standard Tall Timbers St. Mary’s County Area Code 240
20692 Standard Valley Lee St. Mary’s County Area Code 301
20693 Standard Welcome Charles County Area Code 240
20695 Standard White Plains Charles County Area Code 301
20697 Unique Southern Md Facility, Sthrn Md Fac Prince George’s County Area Code 240
20701 Standard Annapolis Junction, Annapolis Jct Howard County Area Code 410
20703 PO Box Lanham, Lanham Seabrook Prince George’s County Area Code 240
20704 PO Box Beltsville Prince George’s County Area Code 240
20705 Standard Beltsville, Calverton Prince George’s County Area Code 240
20706 Standard Lanham, Glenarden, Lanham Seabrook, Seabrook Prince George’s County Area Code 240
20707 Standard Laurel Prince George’s County Area Code 240
20708 Standard Laurel, Montpelier Prince George’s County Area Code 240
20709 PO Box Laurel, Montpelier Prince George’s County Area Code 240
20710 Standard Bladensburg Prince George’s County Area Code 240
20711 Standard Lothian Anne Arundel County Area Code 240
20712 Standard Mount Rainier Prince George’s County Area Code 301
20714 Standard North Beach, Holland Point, Rose Haven Calvert County Area Code 301
20715 Standard Bowie Prince George’s County Area Code 301
20716 Standard Bowie, Mitchellville Prince George’s County Area Code 301
20717 PO Box Bowie, Mitchellville Prince George’s County Area Code 240
20718 PO Box Bowie Prince George’s County Area Code 240
20719 PO Box Bowie Prince George’s County Area Code 240
20720 Standard Bowie Prince George’s County Area Code 240
20721 Standard Bowie, Mitchellville Prince George’s County Area Code 301
20722 Standard Brentwood, Colmar Manor, Cottage City, N Brentwood,… Prince George’s County Area Code 240
20723 Standard Laurel, Scaggsville Howard County Area Code 240
20724 Standard Laurel, Maryland City, Md City, Russett Anne Arundel County Area Code 240
20725 PO Box Laurel Prince George’s County Area Code 240
20726 PO Box Laurel Prince George’s County Area Code 240
20731 PO Box Capitol Heights, Capitol Hgts Prince George’s County Area Code 240
20732 Standard Chesapeake Beach, Chesapeak Bch Calvert County Area Code 410
20733 Standard Churchton Anne Arundel County Area Code 410
20735 Standard Clinton Prince George’s County Area Code 301
20736 Standard Owings Calvert County Area Code 410
20737 Standard Riverdale, Riverdale Park, Riverdale Pk Prince George’s County Area Code 240
20738 PO Box Riverdale Prince George’s County Area Code 240
20740 Standard College Park, Berwyn Heights, Berwyn Hts Prince George’s County Area Code 301
20741 PO Box College Park Prince George’s County Area Code 240
20742 Unique College Park Prince George’s County Area Code 240
20743 Standard Capitol Heights, Capitol Hgts, Fairmount Heights, Fairmou… Prince George’s County Area Code 240
20744 Standard Fort Washington, Ft Washington Prince George’s County Area Code 240
20745 Standard Oxon Hill, Forest Heights, Forest Hts Prince George’s County Area Code 301
20746 Standard Suitland, Camp Springs, Hillcrest Hgts, Hillcrest … Prince George’s County Area Code 301
20747 Standard District Heights, District Hts, Forestville Prince George’s County Area Code 240
20748 Standard Temple Hills, Camp Springs, Hillcrest Heights, Hillcre… Prince George’s County Area Code 240
20749 PO Box Fort Washington, Ft Washington Prince George’s County Area Code 240
20750 PO Box Oxon Hill Prince George’s County Area Code 240
20751 Standard Deale Anne Arundel County Area Code 410
20752 PO Box Suitland Prince George’s County Area Code 240
20753 PO Box District Heights, District Hts Prince George’s County Area Code 240
20754 Standard Dunkirk Calvert County 20755
20755 Standard Fort George G Meade, Fort Meade Anne Arundel County Area Code 410
20757 PO Box Temple Hills Prince George’s County Area Code 240
20758 Standard Friendship Anne Arundel County Area Code 410
20759 Standard Fulton Howard County Area Code 410
20762 Standard Andrews Air Force Base, Andrews AFB, Jb Andrews Prince George’s County Area Code 240
20763 Standard Savage Howard County Area Code 410
20764 Standard Shady Side Anne Arundel County Area Code 410
20765 PO Box Galesville Anne Arundel County Area Code 410
20768 PO Box Greenbelt Prince George’s County Area Code 240
20769 Standard Glenn Dale Prince George’s County Area Code 240
20770 Standard Greenbelt Prince George’s County Area Code 240
20771 Unique Greenbelt Prince George’s County Area Code 240
20772 Standard Upper Marlboro, Uppr Marlboro Prince George’s County Area Code 240
20773 PO Box Upper Marlboro, Uppr Marlboro Prince George’s County Area Code 240
20774 Standard Upper Marlboro, Glenarden, Kettering, Largo, Springdale,… Prince George’s County Area Code 240
20775 PO Box Upper Marlboro, Uppr Marlboro Prince George’s County Area Code 240
20776 Standard Harwood Anne Arundel County Area Code 410
20777 Standard Highland Howard County Area Code 240
20778 Standard West River Anne Arundel County Area Code 410
20779 Standard Tracys Landing, Tracys Lndg Anne Arundel County Area Code 410
20781 Standard Hyattsville Prince George’s County Area Code 240
20782 Standard Hyattsville, Chillum, University Pa, University Park,… Prince George’s County Area Code 240
20783 Standard Hyattsville, Adelphi Prince George’s County Area Code 301
20784 Standard Hyattsville, Cheverly, Landover Hills, Landover Hls, … Prince George’s County Area Code 301
20785 Standard Hyattsville, Cheverly, Landover, N Englewood, North E… Prince George’s County Area Code 240
20787 PO Box Hyattsville, Langley Park Prince George’s County Area Code 240
20788 PO Box Hyattsville, W Hyattsville Prince George’s County Area Code 240
20790 Unique Capitol Heights, Capitol Hgts Prince George’s County Area Code 240
20791 PO Box Capitol Heights, Capitol Hgts Prince George’s County Area Code 240
20792 PO Box Upper Marlboro, Largo, Uppr Marlboro Prince George’s County Area Code 240
20794 Standard Jessup Howard County Area Code 410
20797 Unique Southern Md Facility, Sthrn Md Fac Prince George’s County Area Code 240
20799 Unique Capitol Heights, Capitol Hgts Prince George’s County Area Code 240
20810 Unique Bethesda Montgomery County Area Code 240
20811 Unique Bethesda Montgomery County Area Code 240
20812 Standard Glen Echo Montgomery County Area Code 240
20813 PO Box Bethesda Montgomery County Area Code 240
20814 Standard Bethesda Montgomery County Area Code 301
20815 Standard Chevy Chase, Bethesda, Chevy Chase Village, Chevy Chs… Montgomery County Area Code 240
20816 Standard Bethesda Montgomery County Area Code 301
20817 Standard Bethesda, Westlake Montgomery County Area Code 240
20818 Standard Cabin John Montgomery County Area Code 301
20824 PO Box Bethesda Montgomery County Area Code 240
20825 PO Box Chevy Chase, Bethesda Montgomery County Area Code 240
20827 PO Box Bethesda, W Bethesda, Westlake Montgomery County Area Code 240
20830 PO Box Olney Montgomery County Area Code 240
20832 Standard Olney Montgomery County Area Code 240
20833 Standard Brookeville Montgomery County 20837
20837 Standard Poolesville Montgomery County Area Code 240
20838 Standard Barnesville Montgomery County Area Code 240
20839 Standard Beallsville Montgomery County Area Code 240
20841 Standard Boyds Montgomery County Area Code 240
20842 Standard Dickerson Montgomery County 20847
20847 PO Box Rockville Montgomery County Area Code 240
20848 PO Box Rockville Montgomery County Area Code 240
20849 PO Box Rockville Montgomery County Area Code 240
20850 Standard Rockville, Potomac Montgomery County Area Code 240
20851 Standard Rockville Montgomery County Area Code 240
20852 Standard Rockville, N Bethesda, North Bethesda Montgomery County Area Code 240
20853 Standard Rockville Montgomery County Area Code 240
20854 Standard Potomac, Rockville Montgomery County Area Code 301
20855 Standard Derwood, Rockville Montgomery County Area Code 240
20857 Unique Rockville Montgomery County Area Code 240
20859 PO Box Potomac, Rockville Montgomery County Area Code 240
20860 Standard Sandy Spring Montgomery County Area Code 240
20861 Standard Ashton Montgomery County Area Code 240
20862 Standard Brinklow Montgomery County Area Code 240
20866 Standard Burtonsville Montgomery County Area Code 301
20868 Standard Spencerville Montgomery County Area Code 301
20871 Standard Clarksburg, Hyattstown Montgomery County Area Code 301
20872 Standard Damascus Montgomery County Area Code 240
20874 Standard Germantown, Darnestown Montgomery County Area Code 240
20875 PO Box Germantown Montgomery County Area Code 240
20876 Standard Germantown Montgomery County Area Code 240
20877 Standard Gaithersburg, Montgomery Village, Montgomry Vlg Montgomery County Area Code 301
20878 Standard Gaithersburg, Darnestown, N Potomac, No Potomac, North… Montgomery County Area Code 240
20879 Standard Gaithersburg, Montgomery Village, Montgomry Vlg Montgomery County Area Code 240
20880 PO Box Washington Grove, Washingtn Grv Montgomery County Area Code 240
20882 Standard Gaithersburg, Brookeville, Laytonsville Montgomery County Area Code 240
20883 PO Box Gaithersburg Montgomery County Area Code 240
20884 PO Box Gaithersburg Montgomery County Area Code 240
20885 PO Box Gaithersburg Montgomery County Area Code 240
20886 Standard Montgomery Village, Gaithersburg, Montgomry Vlg Montgomery County Area Code 240
20889 Unique Bethesda Montgomery County Area Code 240
20891 PO Box Kensington Montgomery County Area Code 240
20892 Unique Bethesda Montgomery County Area Code 240
20894 Unique Bethesda Montgomery County Area Code 240
20895 Standard Kensington Montgomery County Area Code 301
20896 PO Box Garrett Park Montgomery County Area Code 240
20897 Unique Suburb Maryland Fac, Subn Md Fac Montgomery County Area Code 240
20898 PO Box Gaithersburg Montgomery County Area Code 240
20899 Unique Gaithersburg Montgomery County Area Code 240
20901 Standard Silver Spring, Takoma Park Montgomery County Area Code 240
20902 Standard Silver Spring, Wheaton Montgomery County Area Code 240
20903 Standard Silver Spring Montgomery County Area Code 301
20904 Standard Silver Spring, Colesville Montgomery County Area Code 301
20905 Standard Silver Spring, Colesville, Sandy Spring Montgomery County Area Code 301
20906 Standard Silver Spring, Aspen Hill Montgomery County Area Code 301
20907 PO Box Silver Spring Montgomery County Area Code 240
20908 PO Box Silver Spring Montgomery County Area Code 240
20910 Standard Silver Spring Montgomery County Area Code 240
20911 PO Box Silver Spring Montgomery County Area Code 240
20912 Standard Takoma Park, Silver Spring Montgomery County Area Code 240
20913 PO Box Takoma Park, Silver Spring Montgomery County Area Code 240
20914 PO Box Silver Spring, Colesville Montgomery County Area Code 240
20915 PO Box Silver Spring, Wheaton Montgomery County Area Code 240
20916 PO Box Silver Spring, Aspen Hill Montgomery County Area Code 240
20918 PO Box Silver Spring Montgomery County Area Code 240
20993 Unique Silver Spring Montgomery County Area Code 240
20997 Unique Silver Spring Montgomery County Area Code 240
21001 Standard Aberdeen Harford County Area Code 410
21005 Standard Aberdeen Proving Ground, Aber Prov Grd Harford County Area Code 443
21009 Standard Abingdon Harford County Area Code 410
21010 Standard Gunpowder, Aber Prov Grd, Aberdeen Proving Ground Harford County Area Code 410
21012 Standard Arnold Anne Arundel County Area Code 410
21013 Standard Baldwin Baltimore County 21014
21014 Standard Bel Air Harford County Area Code 410
21015 Standard Bel Air Harford County Area Code 410
21017 Standard Belcamp Harford County Area Code 410
21018 PO Box Benson Harford County Area Code 410
21020 PO Box Boring Baltimore County Area Code 410
21022 PO Box Brooklandville, Brooklandvl Baltimore County Area Code 410
21023 PO Box Butler Baltimore County Area Code 410
21027 PO Box Chase Baltimore County Area Code 410
21028 Standard Churchville Harford County Area Code 410
21029 Standard Clarksville Howard County Area Code 240
21030 Standard Cockeysville, Cockysvil, Hunt Valley Baltimore County Area Code 410
21031 Standard Hunt Valley Baltimore County Area Code 443
21032 Standard Crownsville Anne Arundel County Area Code 410
21034 Standard Darlington Harford County Area Code 410
21035 Standard Davidsonville Anne Arundel County Area Code 410
21036 Standard Dayton Howard County Area Code 240
21037 Standard Edgewater Anne Arundel County Area Code 301
21040 Standard Edgewood Harford County Area Code 410
21041 PO Box Ellicott City Howard County Area Code 410
21042 Standard Ellicott City Howard County Area Code 410
21043 Standard Ellicott City, Daniels, Ilchester, Oella Howard County Area Code 410
21044 Standard Columbia Howard County Area Code 240
21045 Standard Columbia Howard County Area Code 240
21046 Standard Columbia Howard County Area Code 301
21047 Standard Fallston Harford County Area Code 410
21048 Standard Finksburg, Patapsco Carroll County Area Code 443
21050 Standard Forest Hill Harford County Area Code 410
21051 Standard Fork Baltimore County Area Code 410
21052 PO Box Fort Howard Baltimore County Area Code 410
21053 Standard Freeland Baltimore County Area Code 410
21054 Standard Gambrills Anne Arundel County Area Code 240
21056 PO Box Gibson Island Anne Arundel County Area Code 410
21057 Standard Glen Arm Baltimore County Area Code 410
21060 Standard Glen Burnie Anne Arundel County Area Code 443
21061 Standard Glen Burnie Anne Arundel County Area Code 410
21062 Unique Glen Burnie Anne Arundel County Area Code 410
21065 Unique Hunt Valley, Cockys Ht Vly Baltimore County Area Code 410
21071 PO Box Glyndon Baltimore County Area Code 410
21074 Standard Hampstead, Greenmount Carroll County Area Code 410
21075 Standard Elkridge Howard County Area Code 240
21076 Standard Hanover Anne Arundel County Area Code 443
21077 Standard Harmans Anne Arundel County Area Code 443
21078 Standard Havre De Grace, Hvre De Grace Harford County Area Code 667
21082 Standard Hydes Baltimore County Area Code 410
21084 Standard Jarrettsville Harford County Area Code 410
21085 Standard Joppa Harford County Area Code 443
21087 Standard Kingsville, Bradshaw Baltimore County 21088
21088 PO Box Lineboro, Manchester Carroll County Area Code 410
21090 Standard Linthicum Heights, Linthicum, Linthicum Hts Anne Arundel County Area Code 443
21092 PO Box Long Green Baltimore County Area Code 410
21093 Standard Lutherville Timonium, Lutherville, Luthvle Timon, Timonium Baltimore County Area Code 410
21094 PO Box Lutherville Timonium, Lutherville, Luthvle Timon, Timonium Baltimore County Area Code 410
21098 Unique Hanover, Household Bank Anne Arundel County Area Code 410
21102 Standard Manchester, Lineboro, Millers Carroll County Area Code 410
21104 Standard Marriottsville, Henryton, Marriottsvl, Woodstock Carroll County 21105
21105 PO Box Maryland Line Baltimore County Area Code 410
21106 PO Box Mayo Anne Arundel County Area Code 410
21108 Standard Millersville Anne Arundel County Area Code 410
21111 Standard Monkton, Hereford Baltimore County 21113
21113 Standard Odenton Anne Arundel County Area Code 240
21114 Standard Crofton Anne Arundel County Area Code 240
21117 Standard Owings Mills, Garrison Baltimore County Area Code 410
21120 Standard Parkton, Bentley Spgs, Bentley Springs Baltimore County Area Code 410
21122 Standard Pasadena, Lake Shore, Riviera Beach Anne Arundel County Area Code 410
21123 PO Box Pasadena, Lake Shore, Riviera Beach Anne Arundel County Area Code 410
21128 Standard Perry Hall Baltimore County Area Code 410
21130 PO Box Perryman Harford County Area Code 410
21131 Standard Phoenix, Jacksonville Baltimore County Area Code 410
21132 Standard Pylesville Harford County Area Code 410
21133 Standard Randallstown, Mcdonogh Run Baltimore County Area Code 410
21136 Standard Reisterstown, Glyndon Baltimore County Area Code 410
21139 PO Box Riderwood Baltimore County Area Code 410
21140 Standard Riva Anne Arundel County Area Code 301
21144 Standard Severn Anne Arundel County Area Code 410
21146 Standard Severna Park Anne Arundel County Area Code 410
21150 PO Box Simpsonville Howard County Area Code 410
21152 Standard Sparks Glencoe, Glencoe, Sparks, Sparks Glenco Baltimore County Area Code 410
21153 PO Box Stevenson Baltimore County Area Code 410
21154 Standard Street Harford County Area Code 410
21155 Standard Upperco, Fowbelsburg Baltimore County 21156
21156 Standard Upper Falls Baltimore County Area Code 410
21157 Standard Westminster Carroll County Area Code 410
21158 Standard Westminster Carroll County Area Code 410
21160 Standard Whiteford, Cardiff Harford County Area Code 410
21161 Standard White Hall Harford County 21162
21162 Standard White Marsh Baltimore County Area Code 443
21163 Standard Woodstock, Granite Howard County 21201
21201 Standard Baltimore Baltimore city Area Code 410
21202 Standard Baltimore, East Case Baltimore city Area Code 301
21203 PO Box Baltimore Baltimore City Area Code 410
21204 Standard Towson, Baltimore, Eudowood, Loch Raven, Ruxton Baltimore County Area Code 410
21205 Standard Baltimore Baltimore city Area Code 410
21206 Standard Baltimore, Raspeburg Baltimore city Area Code 410
21207 Standard Gwynn Oak, Baltimore, Pikesville, Woodlawn Baltimore County Area Code 667
21208 Standard Pikesville, Baltimore Baltimore County Area Code 410
21209 Standard Baltimore, Mount Washington, Mt Washington Baltimore County Area Code 410
21210 Standard Baltimore, Roland Park Baltimore city Area Code 443
21211 Standard Baltimore Baltimore city Area Code 410
21212 Standard Baltimore, Govans Baltimore city Area Code 410
21213 Standard Baltimore, Clifton Baltimore city Area Code 410
21214 Standard Baltimore Baltimore city Area Code 443
21215 Standard Baltimore, Arlington Baltimore city Area Code 410
21216 Standard Baltimore Baltimore city Area Code 410
21217 Standard Baltimore, Druid Baltimore city Area Code 410
21218 Standard Baltimore Baltimore city Area Code 443
21219 Standard Sparrows Point, Baltimore, Edgemere, Sparrows Pt Baltimore County Area Code 410
21220 Standard Middle River, Baltimore Baltimore County Area Code 410
21221 Standard Essex, Baltimore Baltimore County Area Code 410
21222 Standard Dundalk, Baltimore Baltimore County Area Code 410
21223 Standard Baltimore, Franklin Baltimore city Area Code 667
21224 Standard Baltimore, Highlandtown Baltimore city Area Code 410
21225 Standard Brooklyn, Baltimore, Brooklyn Park Baltimore city Area Code 410
21226 Standard Curtis Bay, Baltimore, Carvel Beach, Chestnut Hill C… Anne Arundel County Area Code 410
21227 Standard Halethorpe, Arbutus, Baltimore, Lansdowne Baltimore County Area Code 240
21228 Standard Catonsville, Baltimore Baltimore County Area Code 410
21229 Standard Baltimore, Carroll Baltimore city Area Code 410
21230 Standard Baltimore Baltimore city Area Code 410
21231 Standard Baltimore Baltimore city Area Code 410
21233 Standard Baltimore Baltimore City Area Code 410
21234 Standard Parkville, Baltimore Baltimore County Area Code 410
21235 Unique Baltimore Baltimore City Area Code 410
21236 Standard Nottingham, Baltimore Baltimore County Area Code 410
21237 Standard Rosedale, Baltimore Baltimore County Area Code 410
21239 Standard Baltimore, Idlewylde, Loch Hill, Northwood Baltimore city Area Code 443
21240 Standard Baltimore, Millersville Anne Arundel County Area Code 240
21241 Unique Baltimore Baltimore City Area Code 410
21244 Standard Windsor Mill, Baltimore Baltimore County Area Code 410
21250 Unique Baltimore Baltimore County Area Code 410
21251 Unique Baltimore Baltimore city Area Code 410
21252 Unique Towson, Baltimore Baltimore County Area Code 410
21260 Standard Baltimore Baltimore City Area Code 410
21261 Standard Baltimore, Essex Baltimore City Area Code 410
21263 Unique Baltimore Baltimore City Area Code 410
21264 Unique Baltimore Baltimore City Area Code 410
21265 Unique Baltimore Baltimore City Area Code 410
21268 Unique Baltimore Baltimore City Area Code 410
21270 PO Box Baltimore Baltimore City Area Code 410
21273 Unique Baltimore Baltimore City Area Code 410
21274 Unique Baltimore Baltimore City Area Code 410
21275 Unique Baltimore Baltimore City Area Code 410
21278 Unique Baltimore Baltimore City Area Code 410
21279 Unique Baltimore Baltimore City Area Code 410
21280 Unique Baltimore Baltimore City Area Code 410
21281 PO Box Baltimore Baltimore City Area Code 410
21282 PO Box Pikesville, Baltimore Baltimore City Area Code 410
21283 Unique Baltimore, Shared Firm Zip Code Baltimore City Area Code 410
21284 PO Box Towson, Baltimore, Loch Raven Baltimore City Area Code 410
21285 PO Box Towson, Baltimore Baltimore City Area Code 410
21286 Standard Towson, Baltimore, Loch Raven Baltimore County Area Code 667
21287 Standard Baltimore Baltimore City Area Code 410
21288 Unique Baltimore Baltimore City Area Code 410
21289 Unique Baltimore Baltimore City Area Code 410
21290 Unique Baltimore Baltimore City Area Code 410
21297 PO Box Baltimore Baltimore City Area Code 410
21298 Unique Baltimore Baltimore City Area Code 410
21401 Standard Annapolis, Cape Saint Claire, Cpe St Claire Anne Arundel County Area Code 410
21402 Standard Annapolis, N Severn Vlg, Naval Academy, North Sever… Anne Arundel County Area Code 410
21403 Standard Annapolis, Highland Bch Anne Arundel County Area Code 301
21404 PO Box Annapolis Anne Arundel County Area Code 410
21405 Standard Annapolis, Sherwood Forest, Sherwood Frst Anne Arundel County Area Code 301
21409 Standard Annapolis Anne Arundel County Area Code 443
21411 Unique Annapolis Anne Arundel County Area Code 410
21412 Standard Annapolis Anne Arundel County Area Code 410
21501 PO Box Cumberland Allegany County Area Code 240
21502 Standard Cumberland, Cresaptown, Lavale Allegany County Area Code 240
21503 PO Box Cumberland Allegany County Area Code 240
21504 PO Box Cumberland, Lavale Allegany County Area Code 240
21505 PO Box Cumberland, Cresaptown Allegany County Area Code 240
21520 Standard Accident Garrett County Area Code 301
21521 Standard Barton Allegany County 21522
21522 Standard Bittinger Garrett County Area Code 301
21523 Standard Bloomington Garrett County Area Code 240
21524 PO Box Corriganville Allegany County Area Code 240
21528 PO Box Eckhart Mines Allegany County Area Code 240
21529 PO Box Ellerslie Allegany County Area Code 240
21530 Standard Flintstone Allegany County Area Code 240
21531 Standard Friendsville Garrett County Area Code 301
21532 Standard Frostburg Allegany County Area Code 240
21536 Standard Grantsville, Jennings Garrett County Area Code 240
21538 Standard Kitzmiller, Shallmar Garrett County Area Code 301
21539 Standard Lonaconing Allegany County Area Code 301
21540 Standard Luke, Westernport Allegany County Area Code 301
21541 Standard Mc Henry, Sang Run Garrett County Area Code 301
21542 PO Box Midland Allegany County Area Code 240
21543 PO Box Midlothian Allegany County Area Code 240
21545 Standard Mount Savage Allegany County Area Code 301
21550 Standard Oakland, Crellin, Deer Park, Hutton, Loch Lyn Hgh… Garrett County Area Code 240
21555 Standard Oldtown Allegany County Area Code 301
21556 PO Box Pinto Allegany County Area Code 240
21557 Standard Rawlings Allegany County Area Code 240
21560 PO Box Spring Gap Mineral County Area Code 240
21561 Standard Swanton Garrett County Area Code 301
21562 Standard Westernport, Mccoole Allegany County Area Code 301
21601 Standard Easton Talbot County Area Code 410
21606 Unique Easton, First Fulfillment & Mgr Co Talbot County Area Code 410
21607 Standard Barclay Queen Anne’s County Area Code 410
21609 PO Box Bethlehem Caroline County Area Code 410
21610 Standard Betterton Kent County Area Code 410
21612 Standard Bozman Talbot County Area Code 410
21613 Standard Cambridge Dorchester County Area Code 410
21617 Standard Centreville Queen Anne’s County Area Code 410
21619 Standard Chester Queen Anne’s County Area Code 410
21620 Standard Chestertown Kent County Area Code 410
21622 Standard Church Creek Dorchester County Area Code 410
21623 Standard Church Hill Queen Anne’s County Area Code 410
21624 PO Box Claiborne Talbot County Area Code 410
21625 Standard Cordova Talbot County Area Code 410
21626 Standard Crapo Dorchester County Area Code 410
21627 Standard Crocheron Dorchester County Area Code 410
21628 PO Box Crumpton Queen Anne’s County Area Code 410
21629 Standard Denton Caroline County Area Code 410
21631 Standard East New Market, E New Market Dorchester County Area Code 410
21632 Standard Federalsburg Caroline County Area Code 410
21634 Standard Fishing Creek Dorchester County Area Code 410
21635 Standard Galena, Golts Kent County Area Code 410
21636 Standard Goldsboro Caroline County Area Code 410
21638 Standard Grasonville Queen Anne’s County Area Code 410
21639 Standard Greensboro Caroline County Area Code 410
21640 Standard Henderson Caroline County Area Code 410
21641 PO Box Hillsboro Caroline County Area Code 410
21643 Standard Hurlock Dorchester County Area Code 410
21644 Standard Ingleside Queen Anne’s County Area Code 410
21645 Standard Kennedyville Kent County Area Code 410
21647 Standard Mcdaniel Talbot County Area Code 410
21648 Standard Madison Dorchester County Area Code 410
21649 Standard Marydel Caroline County Area Code 410
21650 Standard Massey Kent County Area Code 410
21651 Standard Millington Kent County Area Code 410
21652 PO Box Neavitt Talbot County Area Code 410
21653 PO Box Newcomb Talbot County Area Code 410
21654 Standard Oxford Talbot County Area Code 410
21655 Standard Preston Caroline County Area Code 410
21656 PO Box Price, Church Hill Queen Anne’s County Area Code 410
21657 Standard Queen Anne Queen Anne’s County Area Code 410
21658 Standard Queenstown Queen Anne’s County Area Code 410
21659 Standard Rhodesdale, Brookview, Eldorado, Galestown Dorchester County Area Code 410
21660 Standard Ridgely Caroline County Area Code 410
21661 Standard Rock Hall Kent County Area Code 410
21662 Standard Royal Oak Talbot County Area Code 410
21663 Standard Saint Michaels, St Michaels Talbot County Area Code 410
21664 PO Box Secretary Dorchester County Area Code 410
21665 Standard Sherwood Talbot County Area Code 410
21666 Standard Stevensville Queen Anne’s County Area Code 410
21667 Standard Still Pond Kent County Area Code 410
21668 Standard Sudlersville Queen Anne’s County Area Code 410
21669 PO Box Taylors Island, Taylors Is Dorchester County Area Code 410
21670 PO Box Templeville Caroline County Area Code 410
21671 Standard Tilghman Talbot County Area Code 410
21672 Standard Toddville Dorchester County Area Code 410
21673 Standard Trappe Talbot County Area Code 410
21675 Standard Wingate Dorchester County Area Code 410
21676 Standard Wittman Talbot County Area Code 410
21677 Standard Woolford Dorchester County Area Code 410
21678 Standard Worton, Lynch Kent County Area Code 410
21679 Standard Wye Mills Talbot County Area Code 410
21681 Unique Ridgely Caroline County Area Code 410
21682 Unique Ridgely Caroline County Area Code 410
21683 Unique Ridgely Caroline County Area Code 410
21684 Unique Ridgely Caroline County Area Code 410
21685 Unique Ridgely Caroline County Area Code 410
21686 Unique Ridgely Caroline County Area Code 410
21687 Unique Ridgely Caroline County Area Code 410
21688 Unique Ridgely Caroline County Area Code 410
21690 Unique Chestertown Kent County Area Code 410
21701 Standard Frederick, Lewistown Frederick County Area Code 240
21702 Standard Frederick, Fort Detrick Frederick County Area Code 240
21703 Standard Frederick Frederick County Area Code 301
21704 Standard Frederick, Urbana Frederick County Area Code 301
21705 PO Box Frederick Frederick County Area Code 240
21709 Unique Frederick Frederick County Area Code 240
21710 Standard Adamstown, Doubs Frederick County Area Code 240
21711 Standard Big Pool Washington County Area Code 240
21713 Standard Boonsboro Washington County Area Code 240
21714 PO Box Braddock Heights, Braddock Hts Frederick County Area Code 240
21715 PO Box Brownsville Washington County Area Code 240
21716 Standard Brunswick Frederick County Area Code 301
21717 PO Box Buckeystown Frederick County Area Code 240
21718 Standard Burkittsville Frederick County Area Code 240
21719 Standard Cascade, Fort Ritchie, Highfield Washington County Area Code 240
21720 PO Box Cavetown Washington County Area Code 240
21721 PO Box Chewsville Washington County Area Code 240
21722 Standard Clear Spring, Big Spring Washington County Area Code 301
21723 Standard Cooksville Howard County Area Code 410
21727 Standard Emmitsburg Frederick County Area Code 240
21733 Standard Fairplay, St James Washington County Area Code 240
21734 PO Box Funkstown Washington County Area Code 240
21737 Standard Glenelg Howard County Area Code 410
21738 Standard Glenwood Howard County Area Code 410
21740 Standard Hagerstown Washington County Area Code 240
21741 PO Box Hagerstown Washington County Area Code 240
21742 Standard Hagerstown Washington County Area Code 240
21746 Unique Hagerstown Washington County Area Code 240
21747 PO Box Hagerstown Washington County Area Code 240
21748 Unique Hagerstown Washington County Area Code 240
21749 Unique Hagerstown Washington County Area Code 240
21750 Standard Hancock Washington County Area Code 240
21754 Standard Ijamsville Frederick County Area Code 240
21755 Standard Jefferson Frederick County Area Code 240
21756 Standard Keedysville Washington County Area Code 301
21757 Standard Keymar, Detour, Middleburg Frederick County 21758
21758 Standard Knoxville, Brunswick Frederick County Area Code 301
21759 PO Box Ladiesburg Frederick County Area Code 240
21762 PO Box Libertytown Frederick County Area Code 240
21765 PO Box Lisbon Howard County Area Code 410
21766 Standard Little Orleans, Ltl Orleans Allegany County Area Code 240
21767 Standard Maugansville Washington County Area Code 240
21769 Standard Middletown Frederick County Area Code 240
21770 Standard Monrovia Frederick County Area Code 240
21771 Standard Mount Airy Frederick County Area Code 240
21773 Standard Myersville Frederick County Area Code 240
21774 Standard New Market Frederick County Area Code 301
21775 PO Box New Midway Frederick County Area Code 240
21776 Standard New Windsor Carroll County Area Code 410
21777 Standard Point Of Rocks, Pt Of Rocks Frederick County Area Code 240
21778 Standard Rocky Ridge Frederick County Area Code 240
21779 Standard Rohrersville, Gapland Washington County Area Code 240
21780 Standard Sabillasville Frederick County Area Code 240
21781 PO Box Saint James Washington County Area Code 240
21782 Standard Sharpsburg Washington County Area Code 240
21783 Standard Smithsburg Washington County Area Code 240
21784 Standard Sykesville, Eldersburg, Gaither Carroll County Area Code 410
21787 Standard Taneytown Carroll County Area Code 410
21788 Standard Thurmont, Graceham Frederick County Area Code 240
21790 Standard Tuscarora Frederick County Area Code 240
21791 Standard Union Bridge, Linwood Carroll County Area Code 410
21792 PO Box Unionville Frederick County Area Code 240
21793 Standard Walkersville Frederick County Area Code 301
21794 Standard West Friendship, W Friendship Howard County Area Code 410
21795 Standard Williamsport Washington County Area Code 240
21797 Standard Woodbine Howard County 21798
21798 Standard Woodsboro Frederick County Area Code 240
21801 Standard Salisbury Wicomico County Area Code 443
21802 PO Box Salisbury Wicomico County Area Code 410
21803 PO Box Salisbury Wicomico County Area Code 410
21804 Standard Salisbury Wicomico County Area Code 410
21810 PO Box Allen Wicomico County Area Code 410
21811 Standard Berlin, Ocean Pines, Ocean Pnes Worcester County Area Code 410
21813 Standard Bishopville Worcester County Area Code 410
21814 Standard Bivalve Wicomico County Area Code 410
21817 Standard Crisfield Somerset County Area Code 410
21821 Standard Deal Island, Chance, Dames Quarter, Wenona Somerset County Area Code 410
21822 Standard Eden Somerset County 21824
21824 Standard Ewell Somerset County Area Code 410
21826 Standard Fruitland Wicomico County Area Code 410
21829 Standard Girdletree Worcester County Area Code 410
21830 Standard Hebron Wicomico County Area Code 410
21835 Standard Linkwood Dorchester County Area Code 410
21836 PO Box Manokin Somerset County Area Code 410
21837 Standard Mardela Springs, Mardela, Mardela Spgs Wicomico County Area Code 410
21838 Standard Marion Station, Marion, Marion Sta Somerset County Area Code 410
21840 Standard Nanticoke Wicomico County Area Code 410
21841 Standard Newark Worcester County Area Code 410
21842 Standard Ocean City Worcester County Area Code 410
21843 PO Box Ocean City Worcester County Area Code 410
21849 Standard Parsonsburg Wicomico County Area Code 410
21850 Standard Pittsville Wicomico County Area Code 410
21851 Standard Pocomoke City Worcester County Area Code 410
21852 PO Box Powellville Wicomico County Area Code 410
21853 Standard Princess Anne Somerset County Area Code 410
21856 Standard Quantico Wicomico County Area Code 410
21857 PO Box Rehobeth Somerset County Area Code 410
21861 PO Box Sharptown Wicomico County Area Code 410
21862 Standard Showell Worcester County Area Code 410
21863 Standard Snow Hill Worcester County Area Code 410
21864 Standard Stockton Worcester County Area Code 410
21865 Standard Tyaskin Wicomico County Area Code 410
21866 PO Box Tylerton Somerset County Area Code 410
21867 PO Box Upper Fairmount, Fairmount, Upper Fairmt, Upper Hill Somerset County Area Code 410
21869 Standard Vienna Dorchester County Area Code 410
21871 Standard Westover Somerset County Area Code 410
21872 Standard Whaleyville Worcester County Area Code 410
21874 Standard Willards Wicomico County Area Code 410
21875 Standard Delmar Wicomico County Area Code 410
21890 Unique Westover Somerset County Area Code 410
21901 Standard North East Cecil County Area Code 410
21902 PO Box Perry Point Cecil County Area Code 410
21903 Standard Perryville Cecil County Area Code 410
21904 Standard Port Deposit, Bainbridge Cecil County Area Code 410
21911 Standard Rising Sun Cecil County Area Code 410
21912 Standard Warwick Cecil County Area Code 410
21913 PO Box Cecilton Cecil County Area Code 410
21914 PO Box Charlestown Cecil County Area Code 410
21915 Standard Chesapeake City, Chesapeake Cy Cecil County Area Code 443
21916 PO Box Childs Cecil County Area Code 410
21917 Standard Colora Cecil County Area Code 410
21918 Standard Conowingo Cecil County Area Code 410
21919 Standard Earleville Cecil County Area Code 410
21920 PO Box Elk Mills Cecil County Area Code 410
21921 Standard Elkton Cecil County Area Code 410
21922 PO Box Elkton Cecil County Area Code 410
21930 PO Box Georgetown Cecil County Area Code 410

 

In the beginning the Zip code consisted of only two digits, first was used for the city and the second used to tell about the state. But with the increased demand of delivery the digits of Zip code also increased and became five. The United States of America possesses one of the most mature addressing systems in the world with one of the most developed postal code systems- The ZIP code.The ZIP code organizes the vast geography of The United States of America into well- defined areas for the purpose of efficient mail delivery. The ZIP code grew beyond its use as a mail delivery facilitator into improving the national infrastructure.

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