UNITED STATES

Est. 1776

​

STATE OF MARYLAND

Est. 1632

​

ALLEGANY COUNTY

Est. 1789

 

21501 Cumberland

21502 Cumberland

21503 Cumberland

21504 LaVale

21505 Cresaptown

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

Est. 1650

 

20701 Annapolis Junction

20711 Lothian

20714 North Beach

20724 Laurel

20733 Churchton

20736 Owings

20751 Deale

20754 Dunkirk

20755 Fort George G Meade

20758 Friendship

20764 Shady Side

20765 Galesville

20776 Harwood

20778 West River

20779 Tracys Landing

20794 Jessup

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

21225 Brooklyn

21226 Curtis Bay

21240 BWI Airport

21401 Annapolis

21402 Naval Academy

21403 Eastport

21404 Annapolis

21405 Sherwood Forest

21409 Annapolis

21411 Annapolis

21412 Annapolis

 

BALTIMORE CITY

Est. 1851

 

21201 Baltimore

21202 Baltimore

21203 Baltimore

21205 Baltimore

21206 Raspeburg

21207 Gwynn Oak

21208 Pikesville

21209 Mt. Washington

21210 Roland Park/Evergreen/Cross Keys

21211 Baltimore

21212 Govans

21213 Clifton

21214 Baltimore

21215 Arlington

21216 Baltimore

21217 Druid

21218 Baltimore

21222 Dundalk

21223 Franklin

21224 Highlandtown

21225 Brooklyn

21226 Curtis Bay

21227 Halethrope

21228 Catonsville

21229 Carroll

21230 Morrell Park

21231 Baltimore

21233 Baltimore

21234 Parkville

21236 Nottingham

21237 Rosedale

21239 Northwood

21251 Baltimore

21263 Baltimore

21264 Baltimore

21265 Baltimore

21270 Baltimore

21273 Baltimore

21274 Baltimore

21275 Baltimore

21278 Baltimore

21279 Baltimore

21280 Baltimore

21281 Baltimore

21283 Baltimore

21287 Baltimore

21288 Baltimore

21290 Baltimore

21297 Baltimore

21298 Baltimore

 

BALTIMORE COUNTY

Est. 1659

 

21013 Baldwin

21020 Boring

21022 Brooklandville

21023 Butler

21027 Chase

21030 Cockeysville

21031 Hunt Valley

21043 Ellicott City

21051 Fork

21052 Fort Howard

21053 Freeland

21057 Glen Arm

21065 Hunt Valley

21071 Glyndon

21074 Hampstead

21082 Hydes

21085 Joppa

21087 Kingsville

21092 Long Green

21093 Lutherville/Timonium

21094 Lutherville/Timonium

21102 Manchester

21104 Marriottsville

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

21161 White Hall

21162 White Marsh

21163 Woodstock

21204 Towson

21206 Baltimore

21207 Gwynn Oak

21208 Pikesville

21209 Baltimore

21210 Baltimore

21212 Baltimore

21215 Baltimore

21219 Sparrows Point

21220 Middle River

21221 Essex

21222 Dundalk

21224 Baltimore

21227 Halethorpe

21228 Catonsville

21229 Baltimore

21234 Parkville

21235 Baltimore

21236 Nottingham

21237 Rosedale

21239 Baltimore

21241 Baltimore

21244 Windsor Mill

21250 Baltimore

21252 Baltimore

21282 Baltimore

21284 Baltimore

21285 Baltimore

21286 Towson

 

CALVERT COUNTY

Est. 1854

 

20610 Barstow

20615 Broomes Island

20629 Dowell

20629 Huntingtown

20657 Lusby

20676 Port Republic

20678 Prince Frederick

20685 Saint Leonard

20688 Solomons

20689 Sunderland

20714 North Beach

20732 Chesapeak Beach

20736 Owings

20754 Dunkirk

20758 Friendship

 

CAROLINE COUNTY

Est. 1773
 

21609 Bethlehem

21629 Denton

21632 Federalsburg

21636 Goldsboro

21640 Henderson

21641 Hillsboro

21649 Marydel

21655 Preston

21657 Queen Anne

21660 Ridgley

 

CARROLL COUNTY

Est. 1837

 

21048 Finksburg

21074 Hampstead

21088 Lineboro CPO

21102 Manchester

21104 Marriottsville

21136 Reisterstown

21155 Upperco

21157 Westminster

21158 Westminster

21757 Keymar

21771 Mount Airy

21776 New Windsor

21784 Sykesville

21787 Taneytown

21791 Union Bridge

21797 Woodbine

 

CECIL COUNTY

Est. 1672

 

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

Est. 1658

 

20601 Waldorf

20602 Waldorf

20603 Waldorf

20604 Waldorf

20607 Accokeek

20611 Bel Alton

20612 Benedict

20613 Brandywine

20616 Bryans Road

20617 Bryantown

20622 Charlotte Hall

20625 Cobb Island

20632 Faulkner

20637 Hughesville

20640 Indian Head

20643 Ironsides

20645 Issue

20646 La Plata (LaPlata)

20658 Marbury

20659 Mechanicsville

20661 Mount Victoria

20662 Nanjemoy

20664 Newburg

20675 Pomfret

20677 Port Tobacco

20682 Rock Point

20693 Welcome

20695 White Plains

 

DORCHESTER COUNTY

Est. 1668

 

21613 Cambridge

21622 Church Creek

21626 Crapo

21627 Crocheron

21631 East New Market

21632 Federalsburg

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

Est. 1748

 

20842 Dickerson

20871 Clarksburg

21701 Frederick

21702 Frederick

21703 Frederick

21704 Frederick

21705 Frederick

21709 Frederick

21710 Adamstown

21714 Braddock Heights

21716 Brunswick

21717 Buckeystown

21718 Burkittsville

21719 Cascade

21727 Emmitsburg

21754 Ijamsville

21755 Jefferson

21757 Keymar

21758 Knoxville

21759 Ladiesburg

21762 Libertytown

21769 Middletown

21770 Monrovia

21771 Mount Airy

21773 Myersville

21774 New Market

21775 New Midway

21776 New Windsor

21777 Point of Rocks

21778 Rocky Ridge

21780 Sabillasville

21783 Smithsburg

21787 Taneytown

21788 Thurmont

21790 Tuscarora

21791 Union Bridge

21792 Unionville

21793 Walkersville

21798 Woodsboro

 

GARRETT COUNTY

Est. 1872

 

21520 Accident

21521 Barton

21522 Bittinger

21523 Bloomington

21531 Friendsville

21532 Frostburg

21536 Grantsville

21538 Kitzmiller

21539 Lonaconing

21541 McHenry

21550 Oakland

21561 Swanton

21562 Westernport

 

HARFORD COUNTY

Est. 1773

 

21001 Aberdeen

21005 Aberdeen Proving Ground

21009 Abingdon

21010 Gunpowder

21013 Baldwin

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

21130 Perryman

 

HOWARD COUNTY

Est. 1851

 

20701 Annapolis Junction

20723 Laurel

20759 Fulton

20763 Savage

20777 Highland

20794 Jessup

20833 Brookeville

21029 Clarksville

21036 Dayton

21041 Ellicott City

21042 Ellicott City

21043 Ellicott City

21044 Columbia

21045 Columbia

21046 Columbia

21075 Elkridge

21076 Hanover

21104 Marriottsville

21150 Simpsonville

21163 Woodstock

21723 Cooksville

21737 Glenelg

21738 Glenwood

21765 Lisbon

21771 Mount Airy

21784 Sykesville

21794 West Friendship

21797 Woodbine

 

KENT COUNTY

Est. 1642

 

21610 Betterton

21620 Chestertown

21635 Galena

21645 Kennedyville

21650 Massey

21651 Millington

21661 Rock Hall

21667 Still Pond

21678 Worton

 

MONTGOMERY COUNTY

Est. 1776

 

20088 Washington

20707 Laurel

20777 Highland

20787 Hyattsville

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

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

20884 Gaithersburg

20885 Gaithersburg

20886 Montgomery Village

20889 Bethesda

20891 Kensington

20892 Bethesda

20894 Bethesda

20895 Kensington

20896 Garrett Park

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

21771 Mount Airy

21797 Woodbine

 

PRINCE GEORGE’S COUNTY

Est. 1696

 

20601 Waldorf

20607 Accokeek

20608 Aquasco

20613 Brandywine

20623 Cheltenham

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 Capital 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

20791 Capitol Heights

20792 Upper Marlboro

20799 Capitol Heights

20903 Silver Spring

20904 Silver Spring

20912 Takoma Park

 

QUEEN ANNE’S COUNTY

Est. 1706

 

21607 Barclay

21617 Centreville

21619 Chester

21620 Chestertown

21623 Church Hill

21628 Crumpton

21638 Grasonville

21640 Henderson

21644 Ingleside

21649 Marydel

21651 Millington

21656 Price

21657 Queen Anne

21658 Queenstown

21666 Stevensville

21668 Sudlersville

21670 Templeville

21679 Wye Mills

 

ST. MARY’S COUNTY

Est. 1637

 

20606 Abell

20609 Avenue

20618 Bushwood

20619 California

20620 Callaway

20621 Chaptico

20622 Charlotte Hall

20624 Clements

20626 Coltons Point

20627 Compton

20628 Dameron

20630 Drayden

20634 Great Mills

20635 Helen

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

​

SOMERSET COUNTY

Est. 1866

 

21817 Crisfield

21821 Deal Island

21822 Eden

21824 Ewell

21836 Manokin

21838 Marion Station

21851 Pocomoke City

21853 Princess Anne

21857 Rehobeth

21866 Tylerton

21867 Upper Fairmount

21871 Westover

21890 Westover

 

 

TALBOT COUNTY

Est. 1662

 

21601 Easton

21612 Bozman

21624 Claiborne

21625 Cordova

21647 McDaniel

21652 Neavitt

21653 Newcomb

21654 Oxford

21657 Queen Anne

21662 Royal Oak

21663 Saint Michaels

21665 Sherwood

21671 Tilghman

21673 Trappe

21676 Wittman

21679 Wye Mills

 

WASHINGTON COUNTY

Est. 1776

 

21711 Big Pool

21713 Boonsboro

21719 Cascade

21722 Clear Spring

21733 Fairplay

21740 Hagerstown

21742 Hagerstown

21750 Hancock

21756 Keedysville

21758 Knoxville

21767 Maugansville

21769 Middletown

21779 Rohrersville

21780 Sabillasville

21782 Sharpsburg

21783 Smithsburg

21795 Williamsport

21715 Brownsville

21720 Cavetown

21721 Chewsville

21734 Funkstown

21741 Hagerstown

21746 Hagerstown

21747 Hagerstown

21748 Hagerstown

21749 Hagerstown

21781 Saint James

 

WICOMICO COUNTY

Est. 1867

 

21801 Salisbury

21802 Salisbury

21803 Salisbury

21804 Salisbury

21810 Allen

21814 Bivalve

21822 Eden

21826 Fruitland

21830 Hebron

21837 Mardela Springs

21840 Nanticoke

21849 Parsonsburg

21850 Pittsville

21852 Powellville

21856 Quantico

21861 Sharptown

21865 Tyaskin

21874 Willards

21875 Delmar

 

WORCESTER COUNTY

Est. 1742

 

21804 Salisbury

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