All ZIP codes in Maryland
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ZIP codes by county (423)
Allegany County 11 ZIP codes
Anne Arundel County 36 ZIP codes
- 20701 Annapolis Junction
- 20711 Lothian
- 20724 Laurel
- 20733 Churchton
- 20751 Deale
- 20755 Fort George G Meade
- 20758 Friendship
- 20764 Shady Side
- 20776 Harwood
- 20778 West River
- 20779 Tracys Landing
- 21012 Arnold
- 21032 Crownsville
- 21035 Davidsonville
- 21037 Edgewater
- 21054 Gambrills
- 21060 Glen Burnie
- 21061 Glen Burnie
- 21076 Hanover
- 21077 Harmans
- 21090 Linthicum Heights
- 21108 Millersville
- 21113 Odenton
- 21114 Crofton
- 21122 Pasadena
- 21140 Riva
- 21144 Severn
- 21146 Severna Park
- 21226 Curtis Bay
- 21240 Baltimore
- 21401 Annapolis
- 21402 Annapolis
- 21403 Annapolis
- 21405 Annapolis
- 21409 Annapolis
- 21412 Annapolis
Baltimore City 22 ZIP codes
- 21201 Baltimore
- 21202 Baltimore
- 21205 Baltimore
- 21206 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
- 21229 Baltimore
- 21230 Baltimore
- 21231 Baltimore
- 21233 Baltimore
- 21239 Baltimore
- 21287 Baltimore
Baltimore County 35 ZIP codes
- 21013 Baldwin
- 21030 Cockeysville
- 21031 Hunt Valley
- 21051 Fork
- 21053 Freeland
- 21057 Glen Arm
- 21082 Hydes
- 21087 Kingsville
- 21093 Lutherville Timonium
- 21111 Monkton
- 21117 Owings Mills
- 21120 Parkton
- 21128 Perry Hall
- 21131 Phoenix
- 21133 Randallstown
- 21136 Reisterstown
- 21152 Sparks Glencoe
- 21155 Upperco
- 21156 Upper Falls
- 21162 White Marsh
- 21204 Towson
- 21207 Gwynn Oak
- 21208 Pikesville
- 21209 Baltimore
- 21219 Sparrows Point
- 21220 Middle River
- 21221 Essex
- 21222 Dundalk
- 21227 Halethorpe
- 21228 Catonsville
- 21234 Parkville
- 21236 Nottingham
- 21237 Rosedale
- 21244 Windsor Mill
- 21286 Towson
Calvert County 12 ZIP codes
Caroline County 8 ZIP codes
Carroll County 9 ZIP codes
Cecil County 10 ZIP codes
Charles County 19 ZIP codes
Dorchester County 14 ZIP codes
Frederick County 24 ZIP codes
- 21701 Frederick
- 21702 Frederick
- 21703 Frederick
- 21704 Frederick
- 21710 Adamstown
- 21716 Brunswick
- 21718 Burkittsville
- 21727 Emmitsburg
- 21754 Ijamsville
- 21755 Jefferson
- 21757 Keymar
- 21758 Knoxville
- 21769 Middletown
- 21770 Monrovia
- 21771 Mount Airy
- 21773 Myersville
- 21774 New Market
- 21777 Point Of Rocks
- 21778 Rocky Ridge
- 21780 Sabillasville
- 21788 Thurmont
- 21790 Tuscarora
- 21793 Walkersville
- 21798 Woodsboro
Garrett County 9 ZIP codes
Harford County 19 ZIP codes
- 21001 Aberdeen
- 21005 Aberdeen Proving Ground
- 21009 Abingdon
- 21010 Gunpowder
- 21014 Bel Air
- 21015 Bel Air
- 21017 Belcamp
- 21028 Churchville
- 21034 Darlington
- 21040 Edgewood
- 21047 Fallston
- 21050 Forest Hill
- 21078 Havre De Grace
- 21084 Jarrettsville
- 21085 Joppa
- 21132 Pylesville
- 21154 Street
- 21160 Whiteford
- 21161 White Hall
Howard County 20 ZIP codes
- 20723 Laurel
- 20759 Fulton
- 20763 Savage
- 20777 Highland
- 20794 Jessup
- 21029 Clarksville
- 21036 Dayton
- 21042 Ellicott City
- 21043 Ellicott City
- 21044 Columbia
- 21045 Columbia
- 21046 Columbia
- 21075 Elkridge
- 21104 Marriottsville
- 21163 Woodstock
- 21723 Cooksville
- 21737 Glenelg
- 21738 Glenwood
- 21794 West Friendship
- 21797 Woodbine
Kent County 9 ZIP codes
Montgomery County 42 ZIP codes
- 20812 Glen Echo
- 20814 Bethesda
- 20815 Chevy Chase
- 20816 Bethesda
- 20817 Bethesda
- 20818 Cabin John
- 20832 Olney
- 20833 Brookeville
- 20837 Poolesville
- 20838 Barnesville
- 20839 Beallsville
- 20841 Boyds
- 20842 Dickerson
- 20850 Rockville
- 20851 Rockville
- 20852 Rockville
- 20853 Rockville
- 20854 Potomac
- 20855 Derwood
- 20860 Sandy Spring
- 20861 Ashton
- 20862 Brinklow
- 20866 Burtonsville
- 20868 Spencerville
- 20871 Clarksburg
- 20872 Damascus
- 20874 Germantown
- 20876 Germantown
- 20877 Gaithersburg
- 20878 Gaithersburg
- 20879 Gaithersburg
- 20882 Gaithersburg
- 20886 Montgomery Village
- 20895 Kensington
- 20901 Silver Spring
- 20902 Silver Spring
- 20903 Silver Spring
- 20904 Silver Spring
- 20905 Silver Spring
- 20906 Silver Spring
- 20910 Silver Spring
- 20912 Takoma Park
Prince George's County 34 ZIP codes
- 20607 Accokeek
- 20608 Aquasco
- 20613 Brandywine
- 20623 Cheltenham
- 20705 Beltsville
- 20706 Lanham
- 20707 Laurel
- 20708 Laurel
- 20710 Bladensburg
- 20712 Mount Rainier
- 20715 Bowie
- 20716 Bowie
- 20720 Bowie
- 20721 Bowie
- 20722 Brentwood
- 20735 Clinton
- 20737 Riverdale
- 20740 College Park
- 20743 Capitol Heights
- 20744 Fort Washington
- 20745 Oxon Hill
- 20746 Suitland
- 20747 District Heights
- 20748 Temple Hills
- 20762 Andrews Air Force Base
- 20769 Glenn Dale
- 20770 Greenbelt
- 20772 Upper Marlboro
- 20774 Upper Marlboro
- 20781 Hyattsville
- 20782 Hyattsville
- 20783 Hyattsville
- 20784 Hyattsville
- 20785 Hyattsville
Queen Anne's County 10 ZIP codes
Somerset County 6 ZIP codes
St. Mary's County 24 ZIP codes
- 20606 Abell
- 20609 Avenue
- 20618 Bushwood
- 20619 California
- 20620 Callaway
- 20621 Chaptico
- 20624 Clements
- 20626 Coltons Point
- 20628 Dameron
- 20630 Drayden
- 20634 Great Mills
- 20636 Hollywood
- 20650 Leonardtown
- 20653 Lexington Park
- 20656 Loveville
- 20659 Mechanicsville
- 20667 Park Hall
- 20670 Patuxent River
- 20674 Piney Point
- 20680 Ridge
- 20684 Saint Inigoes
- 20687 Scotland
- 20690 Tall Timbers
- 20692 Valley Lee