Maryland ZIP Codes
Maryland has 601 ZIP codes in use: 423 for street addresses, 139 PO box only and 39 for single organizations, numbered from 20588 to 21930 (USPS, October 2026).
Most searched towns in Maryland
- Baltimore 39 ZIPs: 21201, 21202, 21205
- Columbia 3 ZIPs: 21044, 21045, 21046
- Germantown 3 ZIPs: 20874, 20876
- Frederick 6 ZIPs: 21701, 21702, 21703
- Waldorf 5 ZIPs: 20601, 20602, 20603
- Silver Spring 16 ZIPs: 20901, 20902, 20903
- Ellicott City 3 ZIPs: 21042, 21043
- Glen Burnie 4 ZIPs: 21060, 21061, 21108
- Gaithersburg 9 ZIPs: 20877, 20878, 20879
- Bethesda 11 ZIPs: 20814, 20816, 20817
- Rockville 8 ZIPs: 20850, 20851, 20852
- Dundalk 2 ZIPs: 21222, 21224
- Towson 6 ZIPs: 21204, 21212, 21286
- Severn 3 ZIPs: 21076, 21077, 21144
- Bel Air South 3 ZIPs: 21009, 21014, 21015
Ranked by population until search data exists.
Maryland ZIP codes by county
Allegany County ZIP codes
- 21501 Cumberland
- 21502 Cumberland
- 21503 Cumberland
- 21504 Cumberland
- 21505 Cumberland
- 21521 Barton
- 21524 Corriganville
- 21528 Eckhart Mines
- 21529 Ellerslie
- 21530 Flintstone
- 21532 Frostburg
- 21539 Lonaconing
- 21540 Luke
- 21542 Midland
- 21543 Midlothian
- 21545 Mount Savage
- 21555 Oldtown
- 21556 Pinto
- 21557 Rawlings
- 21560 Spring Gap
- 21562 Westernport
- 21766 Little Orleans
Anne Arundel County ZIP codes
- 20711 Lothian
- 20724 Laurel
- 20733 Churchton
- 20751 Deale
- 20755 Fort George G Meade
- 20758 Friendship
- 20764 Shady Side
- 20765 Galesville
- 20776 Harwood
- 20778 West River
- 20779 Tracys Landing
- 21012 Arnold
- 21032 Crownsville
- 21035 Davidsonville
- 21037 Edgewater
- 21054 Gambrills
- 21056 Gibson Island
- 21060 Glen Burnie
- 21061 Glen Burnie
- 21062 Glen Burnie
- 21076 Hanover
- 21077 Harmans
- 21090 Linthicum Heights
- 21106 Mayo
- 21108 Millersville
- 21113 Odenton
- 21114 Crofton
- 21122 Pasadena
- 21123 Pasadena
- 21140 Riva
- 21144 Severn
- 21146 Severna Park
- 21240 Baltimore
- 21401 Annapolis
- 21402 Annapolis
- 21403 Annapolis
- 21404 Annapolis
- 21405 Annapolis
- 21409 Annapolis
- 21411 Annapolis
- 21412 Annapolis
Baltimore County ZIP codes
- 21013 Baldwin
- 21020 Boring
- 21022 Brooklandville
- 21023 Butler
- 21027 Chase
- 21030 Cockeysville
- 21031 Hunt Valley
- 21051 Fork
- 21052 Fort Howard
- 21053 Freeland
- 21057 Glen Arm
- 21065 Hunt Valley
- 21071 Glyndon
- 21082 Hydes
- 21087 Kingsville
- 21092 Long Green
- 21093 Lutherville Timonium
- 21094 Lutherville Timonium
- 21105 Maryland Line
- 21111 Monkton
- 21117 Owings Mills
- 21120 Parkton
- 21128 Perry Hall
- 21131 Phoenix
- 21133 Randallstown
- 21136 Reisterstown
- 21139 Riderwood
- 21152 Sparks Glencoe
- 21153 Stevenson
- 21155 Upperco
- 21156 Upper Falls
- 21162 White Marsh
- 21204 Towson
- 21207 Gwynn Oak
- 21208 Pikesville
- 21219 Sparrows Point
- 21220 Middle River
- 21221 Essex
- 21222 Dundalk
- 21227 Halethorpe
- 21228 Catonsville
- 21234 Parkville
- 21235 Baltimore
- 21236 Nottingham
- 21237 Rosedale
- 21241 Baltimore
- 21244 Windsor Mill
- 21250 Baltimore
- 21252 Towson
- 21282 Pikesville
- 21284 Towson
- 21285 Towson
- 21286 Towson
Baltimore city ZIP codes
- 21201 Baltimore
- 21202 Baltimore
- 21203 Baltimore
- 21205 Baltimore
- 21206 Baltimore
- 21209 Baltimore
- 21210 Baltimore
- 21211 Baltimore
- 21212 Baltimore
- 21213 Baltimore
- 21214 Baltimore
- 21215 Baltimore
- 21216 Baltimore
- 21217 Baltimore
- 21218 Baltimore
- 21223 Baltimore
- 21224 Baltimore
- 21225 Brooklyn
- 21226 Curtis Bay
- 21229 Baltimore
- 21230 Baltimore
- 21231 Baltimore
- 21233 Baltimore
- 21239 Baltimore
- 21251 Baltimore
- 21263 Baltimore
- 21270 Baltimore
- 21278 Baltimore
- 21281 Baltimore
- 21287 Baltimore
- 21290 Baltimore
Calvert County ZIP codes
- 20610 Barstow
- 20615 Broomes Island
- 20629 Dowell
- 20639 Huntingtown
- 20657 Lusby
- 20676 Port Republic
- 20678 Prince Frederick
- 20685 Saint Leonard
- 20688 Solomons
- 20689 Sunderland
- 20714 North Beach
- 20732 Chesapeake Beach
- 20736 Owings
- 20754 Dunkirk
Caroline County ZIP codes
- 21609 Bethlehem
- 21629 Denton
- 21632 Federalsburg
- 21636 Goldsboro
- 21639 Greensboro
- 21640 Henderson
- 21641 Hillsboro
- 21649 Marydel
- 21655 Preston
- 21660 Ridgely
Carroll County ZIP codes
- 21048 Finksburg
- 21074 Hampstead
- 21088 Lineboro
- 21102 Manchester
- 21157 Westminster
- 21158 Westminster
- 21771 Mount Airy
- 21776 New Windsor
- 21784 Sykesville
- 21787 Taneytown
- 21791 Union Bridge
Cecil County ZIP codes
- 21901 North East
- 21902 Perry Point
- 21903 Perryville
- 21904 Port Deposit
- 21911 Rising Sun
- 21912 Warwick
- 21913 Cecilton
- 21914 Charlestown
- 21915 Chesapeake City
- 21916 Childs
- 21917 Colora
- 21918 Conowingo
- 21919 Earleville
- 21920 Elk Mills
- 21921 Elkton
- 21922 Elkton
- 21930 Georgetown
Charles County ZIP codes
- 20601 Waldorf
- 20602 Waldorf
- 20603 Waldorf
- 20604 Waldorf
- 20611 Bel Alton
- 20612 Benedict
- 20616 Bryans Road
- 20617 Bryantown
- 20622 Charlotte Hall
- 20625 Cobb Island
- 20632 Faulkner
- 20637 Hughesville
- 20640 Indian Head
- 20645 Issue
- 20646 La Plata
- 20658 Marbury
- 20661 Mount Victoria
- 20662 Nanjemoy
- 20664 Newburg
- 20675 Pomfret
- 20677 Port Tobacco
- 20682 Rock Point
- 20693 Welcome
- 20695 White Plains
Dorchester County ZIP codes
- 21613 Cambridge
- 21622 Church Creek
- 21626 Crapo
- 21627 Crocheron
- 21631 East New Market
- 21634 Fishing Creek
- 21643 Hurlock
- 21648 Madison
- 21659 Rhodesdale
- 21664 Secretary
- 21669 Taylors Island
- 21672 Toddville
- 21675 Wingate
- 21677 Woolford
- 21835 Linkwood
- 21869 Vienna
Frederick County ZIP codes
- 21701 Frederick
- 21702 Frederick
- 21703 Frederick
- 21704 Frederick
- 21705 Frederick
- 21709 Frederick
- 21710 Adamstown
- 21714 Braddock Heights
- 21716 Brunswick
- 21717 Buckeystown
- 21718 Burkittsville
- 21727 Emmitsburg
- 21754 Ijamsville
- 21755 Jefferson
- 21757 Keymar
- 21758 Knoxville
- 21759 Ladiesburg
- 21762 Libertytown
- 21769 Middletown
- 21770 Monrovia
- 21773 Myersville
- 21774 New Market
- 21775 New Midway
- 21777 Point Of Rocks
- 21778 Rocky Ridge
- 21780 Sabillasville
- 21788 Thurmont
- 21790 Tuscarora
- 21792 Unionville
- 21793 Walkersville
- 21798 Woodsboro
Garrett County ZIP codes
- 21520 Accident
- 21522 Bittinger
- 21523 Bloomington
- 21531 Friendsville
- 21536 Grantsville
- 21538 Kitzmiller
- 21541 Mc Henry
- 21550 Oakland
- 21561 Swanton
Harford County ZIP codes
- 21001 Aberdeen
- 21005 Aberdeen Proving Ground
- 21009 Abingdon
- 21010 Gunpowder
- 21014 Bel Air
- 21015 Bel Air
- 21017 Belcamp
- 21018 Benson
- 21028 Churchville
- 21034 Darlington
- 21040 Edgewood
- 21047 Fallston
- 21050 Forest Hill
- 21078 Havre De Grace
- 21084 Jarrettsville
- 21085 Joppa
- 21130 Perryman
- 21132 Pylesville
- 21154 Street
- 21160 Whiteford
- 21161 White Hall
Howard County ZIP codes
- 20701 Annapolis Junction
- 20723 Laurel
- 20759 Fulton
- 20763 Savage
- 20777 Highland
- 20794 Jessup
- 21029 Clarksville
- 21036 Dayton
- 21041 Ellicott City
- 21042 Ellicott City
- 21043 Ellicott City
- 21044 Columbia
- 21045 Columbia
- 21046 Columbia
- 21075 Elkridge
- 21104 Marriottsville
- 21150 Simpsonville
- 21163 Woodstock
- 21723 Cooksville
- 21737 Glenelg
- 21738 Glenwood
- 21765 Lisbon
- 21794 West Friendship
- 21797 Woodbine
Kent County ZIP codes
- 21610 Betterton
- 21620 Chestertown
- 21635 Galena
- 21645 Kennedyville
- 21650 Massey
- 21651 Millington
- 21661 Rock Hall
- 21667 Still Pond
- 21678 Worton
- 21690 Chestertown
Montgomery County ZIP codes
- 20787 Hyattsville
- 20810 Bethesda
- 20811 Bethesda
- 20812 Glen Echo
- 20813 Bethesda
- 20814 Bethesda
- 20815 Chevy Chase
- 20816 Bethesda
- 20817 Bethesda
- 20818 Cabin John
- 20824 Bethesda
- 20825 Chevy Chase
- 20827 Bethesda
- 20830 Olney
- 20832 Olney
- 20833 Brookeville
- 20837 Poolesville
- 20838 Barnesville
- 20839 Beallsville
- 20841 Boyds
- 20842 Dickerson
- 20847 Rockville
- 20848 Rockville
- 20849 Rockville
- 20850 Rockville
- 20851 Rockville
- 20852 Rockville
- 20853 Rockville
- 20854 Potomac
- 20855 Derwood
- 20857 Rockville
- 20859 Potomac
- 20860 Sandy Spring
- 20861 Ashton
- 20862 Brinklow
- 20866 Burtonsville
- 20868 Spencerville
- 20871 Clarksburg
- 20872 Damascus
- 20874 Germantown
- 20875 Germantown
- 20876 Germantown
- 20877 Gaithersburg
- 20878 Gaithersburg
- 20879 Gaithersburg
- 20880 Washington Grove
- 20882 Gaithersburg
- 20883 Gaithersburg
- 20884 Gaithersburg
- 20885 Gaithersburg
- 20886 Montgomery Village
- 20889 Bethesda
- 20891 Kensington
- 20892 Bethesda
- 20894 Bethesda
- 20895 Kensington
- 20896 Garrett Park
- 20897 Suburb Maryland Fac
- 20898 Gaithersburg
- 20899 Gaithersburg
- 20901 Silver Spring
- 20902 Silver Spring
- 20903 Silver Spring
- 20904 Silver Spring
- 20905 Silver Spring
- 20906 Silver Spring
- 20907 Silver Spring
- 20908 Silver Spring
- 20910 Silver Spring
- 20911 Silver Spring
- 20912 Takoma Park
- 20913 Takoma Park
- 20914 Silver Spring
- 20915 Silver Spring
- 20916 Silver Spring
- 20918 Silver Spring
- 20993 Silver Spring
- 20997 Silver Spring
Prince George's County ZIP codes
- 20588 Dhs
- 20607 Accokeek
- 20608 Aquasco
- 20613 Brandywine
- 20623 Cheltenham
- 20697 Southern Md Facility
- 20703 Lanham
- 20704 Beltsville
- 20705 Beltsville
- 20706 Lanham
- 20707 Laurel
- 20708 Laurel
- 20709 Laurel
- 20710 Bladensburg
- 20712 Mount Rainier
- 20715 Bowie
- 20716 Bowie
- 20717 Bowie
- 20718 Bowie
- 20719 Bowie
- 20720 Bowie
- 20721 Bowie
- 20722 Brentwood
- 20725 Laurel
- 20726 Laurel
- 20731 Capitol Heights
- 20735 Clinton
- 20737 Riverdale
- 20738 Riverdale
- 20740 College Park
- 20741 College Park
- 20742 College Park
- 20743 Capitol Heights
- 20744 Fort Washington
- 20745 Oxon Hill
- 20746 Suitland
- 20747 District Heights
- 20748 Temple Hills
- 20749 Fort Washington
- 20750 Oxon Hill
- 20752 Suitland
- 20753 District Heights
- 20757 Temple Hills
- 20762 Andrews Air Force Base
- 20768 Greenbelt
- 20769 Glenn Dale
- 20770 Greenbelt
- 20771 Greenbelt
- 20772 Upper Marlboro
- 20773 Upper Marlboro
- 20774 Upper Marlboro
- 20775 Upper Marlboro
- 20781 Hyattsville
- 20782 Hyattsville
- 20783 Hyattsville
- 20784 Hyattsville
- 20785 Hyattsville
- 20788 Hyattsville
- 20790 Capitol Heights
- 20791 Capitol Heights
- 20792 Upper Marlboro
- 20797 Southern Md Facility
- 20799 Capitol Heights
Queen Anne's County ZIP codes
- 21607 Barclay
- 21617 Centreville
- 21619 Chester
- 21623 Church Hill
- 21628 Crumpton
- 21638 Grasonville
- 21644 Ingleside
- 21656 Price
- 21657 Queen Anne
- 21658 Queenstown
- 21666 Stevensville
- 21668 Sudlersville
- 21670 Templeville
Somerset County ZIP codes
- 21817 Crisfield
- 21821 Deal Island
- 21824 Ewell
- 21836 Manokin
- 21838 Marion Station
- 21853 Princess Anne
- 21857 Rehobeth
- 21866 Tylerton
- 21867 Upper Fairmount
- 21871 Westover
- 21890 Westover
St. Mary's County ZIP codes
- 20606 Abell
- 20609 Avenue
- 20618 Bushwood
- 20619 California
- 20620 Callaway
- 20621 Chaptico
- 20624 Clements
- 20626 Coltons Point
- 20627 Compton
- 20628 Dameron
- 20630 Drayden
- 20634 Great Mills
- 20636 Hollywood
- 20650 Leonardtown
- 20653 Lexington Park
- 20656 Loveville
- 20659 Mechanicsville
- 20660 Morganza
- 20667 Park Hall
- 20670 Patuxent River
- 20674 Piney Point
- 20680 Ridge
- 20684 Saint Inigoes
- 20686 Saint Marys City
- 20687 Scotland
- 20690 Tall Timbers
- 20692 Valley Lee
Talbot County ZIP codes
- 21601 Easton
- 21612 Bozman
- 21624 Claiborne
- 21625 Cordova
- 21647 Mcdaniel
- 21652 Neavitt
- 21653 Newcomb
- 21654 Oxford
- 21662 Royal Oak
- 21663 Saint Michaels
- 21665 Sherwood
- 21671 Tilghman
- 21673 Trappe
- 21676 Wittman
- 21679 Wye Mills
Washington County ZIP codes
- 21711 Big Pool
- 21713 Boonsboro
- 21715 Brownsville
- 21719 Cascade
- 21720 Cavetown
- 21721 Chewsville
- 21722 Clear Spring
- 21733 Fairplay
- 21734 Funkstown
- 21740 Hagerstown
- 21741 Hagerstown
- 21742 Hagerstown
- 21746 Hagerstown
- 21747 Hagerstown
- 21749 Hagerstown
- 21750 Hancock
- 21756 Keedysville
- 21767 Maugansville
- 21779 Rohrersville
- 21781 Saint James
- 21782 Sharpsburg
- 21783 Smithsburg
- 21795 Williamsport
Wicomico County ZIP codes
Worcester County ZIP codes
- 21811 Berlin
- 21813 Bishopville
- 21829 Girdletree
- 21841 Newark
- 21842 Ocean City
- 21843 Ocean City
- 21851 Pocomoke City
- 21862 Showell
- 21863 Snow Hill
- 21864 Stockton
- 21872 Whaleyville
Big cities in Maryland
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections