Maryland ZIP Codes
Browse all 581 ZIP codes in Maryland
Total ZIP Codes
581
Total Population
6,205,597
Unique Cities
466
| ZIP Code ↕ | City ↕ | County ↕ | Population ↕ |
|---|---|---|---|
| 20606 | Abell | St. Mary's | 291 |
| 21001 | Aberdeen | Harford | 27,168 |
| 21005 | Aberdeen Proving Ground | Harford | 2,202 |
| 21009 | Abingdon | Harford | 33,679 |
| 21520 | Accident | Garrett | 1,918 |
| 20607 | Accokeek | Prince George's | 13,750 |
| 21710 | Adamstown | Frederick | 4,661 |
| 21810 | Allen | Wicomico | 55 |
| 20762 | Andrews Air Force Base | Prince George's | 3,130 |
| 21401 | Annapolis | Anne Arundel | 38,629 |
| 21402 | Annapolis | Anne Arundel | 4,303 |
| 21403 | Annapolis | Anne Arundel | 32,681 |
| 21404 | ANNAPOLIS | N/A | N/A |
| 21405 | Annapolis | Anne Arundel | 495 |
| 21409 | Annapolis | Anne Arundel | 20,289 |
| 21411 | ANNAPOLIS | N/A | N/A |
| 21412 | ANNAPOLIS | N/A | N/A |
| 20701 | Annapolis Junction | Howard | 513 |
| 20608 | Aquasco | Prince George's | 693 |
| 21012 | Arnold | Anne Arundel | 22,570 |
| 20861 | Ashton | Montgomery | 2,890 |
| 20609 | Avenue | St. Mary's | 714 |
| 21013 | Baldwin | Baltimore | 5,610 |
| 21201 | Baltimore | Baltimore | 18,307 |
| 21202 | Baltimore | Baltimore | 20,683 |
| 21203 | BALTIMORE | N/A | N/A |
| 21205 | Baltimore | Baltimore | 13,013 |
| 21206 | Baltimore | Baltimore | 48,902 |
| 21209 | Baltimore | Baltimore | 30,126 |
| 21210 | Baltimore | Baltimore | 14,134 |
| 21211 | Baltimore | Baltimore | 14,969 |
| 21212 | Baltimore | Baltimore | 33,974 |
| 21213 | Baltimore | Baltimore | 28,058 |
| 21214 | Baltimore | Baltimore | 21,092 |
| 21215 | Baltimore | Baltimore | 52,229 |
| 21216 | Baltimore | Baltimore | 29,426 |
| 21217 | Baltimore | Baltimore | 30,792 |
| 21218 | Baltimore | Baltimore | 44,014 |
| 21223 | Baltimore | Baltimore | 19,572 |
| 21224 | Baltimore | Baltimore | 47,465 |
| 21229 | Baltimore | Baltimore | 46,679 |
| 21230 | Baltimore | Baltimore | 32,977 |
| 21231 | Baltimore | Baltimore | 14,969 |
| 21233 | Baltimore | Baltimore | 0 |
| 21235 | BALTIMORE | N/A | N/A |
| 21239 | Baltimore | Baltimore | 27,346 |
| 21240 | Baltimore | Anne Arundel | 0 |
| 21241 | BALTIMORE | N/A | N/A |
| 21250 | Baltimore | Baltimore | 2,834 |
| 21251 | Baltimore | Baltimore | 191 |
| 21263 | BALTIMORE | N/A | N/A |
| 21270 | BALTIMORE | N/A | N/A |
| 21278 | BALTIMORE | N/A | N/A |
| 21281 | BALTIMORE | N/A | N/A |
| 21287 | Baltimore | Baltimore | 0 |
| 21290 | BALTIMORE | N/A | N/A |
| 21607 | Barclay | Queen Anne's | 597 |
| 20838 | Barnesville | Montgomery | 306 |
| 20610 | BARSTOW | N/A | N/A |
| 21521 | Barton | Garrett | 1,400 |
| 20839 | Bealsville | Montgomery | 158 |
| 21014 | Bel Air | Harford | 38,707 |
| 21015 | Bel Air | Harford | 30,013 |
| 20611 | Bel Alton | Charles | 1,219 |
| 21017 | Belcamp | Harford | 6,648 |
| 20704 | BELTSVILLE | N/A | N/A |
| 20705 | Beltsville | Prince George's | 28,713 |
| 20612 | Benedict | Charles | 148 |
| 21018 | BENSON | N/A | N/A |
| 21811 | Berlin | Worcester | 24,377 |
| 20810 | BETHESDA | N/A | N/A |
| 20811 | BETHESDA | N/A | N/A |
| 20814 | Bethesda | Montgomery | 32,795 |
| 20816 | Bethesda | Montgomery | 18,140 |
| 20817 | Bethesda | Montgomery | 37,454 |
| 20824 | BETHESDA | N/A | N/A |
| 20827 | BETHESDA | N/A | N/A |
| 20889 | Bethesda | Montgomery | 584 |
| 20892 | Bethesda | Montgomery | 0 |
| 20894 | Bethesda | Montgomery | 0 |
| 21609 | BETHLEHEM | N/A | N/A |
| 21610 | Betterton | Kent | 391 |
| 21711 | Big Pool | Washington | 929 |
| 21813 | Bishopville | Worcester | 2,999 |
| 21522 | BITTINGER | N/A | N/A |
| 21814 | Bivalve | Wicomico | 217 |
| 20710 | Bladensburg | Prince George's | 9,801 |
| 21523 | Bloomington | Garrett | 150 |
| 21713 | Boonsboro | Washington | 9,846 |
| 21020 | BORING | N/A | N/A |
| 20715 | Bowie | Prince George's | 26,915 |
| 20716 | Bowie | Prince George's | 22,362 |
| 20717 | BOWIE | N/A | N/A |
| 20718 | BOWIE | N/A | N/A |
| 20720 | Bowie | Prince George's | 25,015 |
| 20721 | Bowie | Prince George's | 31,032 |
| 20841 | Boyds | Montgomery | 9,969 |
| 21612 | Bozman | Talbot | 470 |
| 21714 | Braddock Heights | Frederick | 95 |
| 20613 | Brandywine | Prince George's | 17,590 |
| 20722 | Brentwood | Prince George's | 6,264 |
| 20862 | Brinklow | Montgomery | 430 |
| 20833 | Brookeville | Montgomery | 7,860 |
| 21022 | BROOKLANDVILLE | N/A | N/A |
| 21225 | Brooklyn | Anne Arundel | 34,062 |
| 20615 | Broomes Island | Calvert | 460 |
| 21715 | Brownsville | Washington | 20 |
| 21716 | Brunswick | Frederick | 7,200 |
| 20616 | Bryans Road | Charles | 8,057 |
| 20617 | Bryantown | Charles | 334 |
| 21717 | Buckeystown | Frederick | 245 |
| 21718 | Burkittsville | Frederick | 134 |
| 20866 | Burtonsville | Montgomery | 15,986 |
| 20618 | Bushwood | St. Mary's | 1,705 |
| 21023 | Butler | Baltimore | 66 |
| 20818 | Cabin John | Montgomery | 1,539 |
| 20619 | California | St. Mary's | 14,212 |
| 20620 | Callaway | St. Mary's | 1,115 |
| 21613 | Cambridge | Dorchester | 17,926 |
| 20731 | CAPITOL HEIGHTS | N/A | N/A |
| 20743 | Capitol Heights | Prince George's | 41,093 |
| 20790 | CAPITOL HEIGHTS | N/A | N/A |
| 20791 | CAPITOL HEIGHTS | N/A | N/A |
| 20799 | CAPITOL HEIGHTS | N/A | N/A |
| 21719 | Cascade | Washington | 1,178 |
| 21228 | Catonsville | Baltimore | 50,492 |
| 21720 | CAVETOWN | N/A | N/A |
| 21913 | Cecilton | Cecil | 820 |
| 21617 | Centreville | Queen Anne's | 10,428 |
| 20621 | Chaptico | St. Mary's | 958 |
| 21914 | Charlestown | Cecil | 810 |
| 20622 | Charlotte Hall | Charles | 5,185 |
| 21027 | CHASE | N/A | N/A |
| 20623 | Cheltenham | Prince George's | 2,761 |
| 20732 | Chesapeake Beach | Calvert | 10,722 |
| 21915 | Chesapeake City | Cecil | 2,471 |
| 21619 | Chester | Queen Anne's | 6,152 |
| 21620 | Chestertown | Kent | 13,810 |
| 21690 | CHESTERTOWN | N/A | N/A |
| 20815 | Chevy Chase | Montgomery | 30,505 |
| 20825 | CHEVY CHASE | N/A | N/A |
| 21721 | CHEWSVILLE | N/A | N/A |
| 21916 | CHILDS | N/A | N/A |
| 21622 | Church Creek | Dorchester | 420 |
| 21623 | Church Hill | Queen Anne's | 2,669 |
| 20733 | Churchton | Anne Arundel | 2,669 |
| 21028 | Churchville | Harford | 3,103 |
| 21624 | Claiborne | Talbot | 162 |
| 20871 | Clarksburg | Montgomery | 30,182 |
| 21029 | Clarksville | Howard | 13,607 |
| 21722 | Clear Spring | Washington | 6,721 |
| 20624 | Clements | St. Mary's | 796 |
| 20735 | Clinton | Prince George's | 37,464 |
| 20625 | Cobb Island | Charles | 849 |
| 21030 | Cockeysville | Baltimore | 25,827 |
| 20740 | College Park | Prince George's | 36,847 |
| 20741 | COLLEGE PARK | N/A | N/A |
| 20742 | College Park | Prince George's | 4,350 |
| 21917 | Colora | Cecil | 2,233 |
| 20626 | Coltons Point | St. Mary's | 284 |
| 21044 | Columbia | Howard | 44,114 |
| 21045 | Columbia | Howard | 40,034 |
| 21046 | Columbia | Howard | 15,608 |
| 20627 | COMPTON | N/A | N/A |
| 21918 | Conowingo | Cecil | 4,169 |
| 21723 | Cooksville | Howard | 669 |
| 21625 | Cordova | Talbot | 1,766 |
| 21524 | Corriganville | Allegany | 710 |
| 21626 | Crapo | Dorchester | 256 |
| 21817 | Crisfield | Somerset | 4,417 |
| 21627 | Crocheron | Dorchester | 26 |
| 21114 | Crofton | Anne Arundel | 25,590 |
| 21032 | Crownsville | Anne Arundel | 8,850 |
| 21628 | Crumpton | Queen Anne's | 248 |
| 21501 | CUMBERLAND | N/A | N/A |
| 21502 | Cumberland | Allegany | 41,015 |
| 21503 | CUMBERLAND | N/A | N/A |
| 21504 | CUMBERLAND | N/A | N/A |
| 21505 | CUMBERLAND | N/A | N/A |
| 21226 | Curtis Bay | Baltimore | 6,674 |
| 20872 | Damascus | Montgomery | 13,983 |
| 20628 | Dameron | St. Mary's | 503 |
| 21034 | Darlington | Harford | 2,846 |
| 21035 | Davidsonville | Anne Arundel | 7,879 |
| 21036 | Dayton | Howard | 2,569 |
| 21821 | Deal Island | Somerset | 797 |
| 20751 | Deale | Anne Arundel | 2,851 |
| 21875 | Delmar | Wicomico | 7,646 |
| 21629 | Denton | Caroline | 10,252 |
| 20855 | Derwood | Montgomery | 17,279 |
| 20588 | DHS | N/A | N/A |
| 20842 | Dickerson | Montgomery | 2,369 |
| 20747 | District Heights | Prince George's | 38,301 |
| 20753 | DISTRICT HEIGHTS | N/A | N/A |
| 20629 | Dowell | Calvert | 1,150 |
| 20630 | Drayden | St. Mary's | 559 |
| 21222 | Dundalk | Baltimore | 59,407 |
| 20754 | Dunkirk | Calvert | 7,545 |
| 21919 | Earleville | Cecil | 3,626 |
| 21631 | East New Market | Dorchester | 2,429 |
| 21601 | Easton | Talbot | 24,671 |
| 21528 | ECKHART MINES | N/A | N/A |
| 21822 | Eden | Wicomico | 2,926 |
| 21037 | Edgewater | Anne Arundel | 20,854 |
| 21040 | Edgewood | Harford | 24,960 |
| 21920 | Elk Mills | Cecil | 1,413 |
| 21075 | Elkridge | Howard | 37,363 |
| 21921 | Elkton | Cecil | 45,527 |
| 21922 | ELKTON | N/A | N/A |
| 21529 | Ellerslie | Allegany | 514 |
| 21041 | ELLICOTT CITY | N/A | N/A |
| 21042 | Ellicott City | Howard | 43,327 |
| 21043 | Ellicott City | Howard | 48,525 |
| 21727 | Emmitsburg | Frederick | 6,052 |
| 21221 | Essex | Baltimore | 43,487 |
| 21824 | Ewell | Somerset | 264 |
| 21733 | Fairplay | Washington | 1,275 |
| 21047 | Fallston | Harford | 13,852 |
| 20632 | Faulkner | Charles | 485 |
| 21632 | Federalsburg | Caroline | 6,436 |
| 21048 | Finksburg | Carroll | 10,481 |
| 21634 | Fishing Creek | Dorchester | 465 |
| 21530 | Flintstone | Allegany | 1,404 |
| 21050 | Forest Hill | Harford | 17,466 |
| 21051 | Fork | Baltimore | 172 |
| 20755 | Fort George G Meade | Anne Arundel | 11,225 |
| 21052 | Fort Howard | Baltimore | 409 |
| 20744 | Fort Washington | Prince George's | 54,441 |
| 20749 | FORT WASHINGTON | N/A | N/A |
| 21701 | Frederick | Frederick | 43,048 |
| 21702 | Frederick | Frederick | 49,605 |
| 21703 | Frederick | Frederick | 41,960 |
| 21704 | Frederick | Frederick | 20,006 |
| 21705 | Frederick | Frederick | 6 |
| 21053 | Freeland | Baltimore | 2,929 |
| 20758 | Friendship | Anne Arundel | 714 |
| 21531 | Friendsville | Garrett | 2,487 |
| 21532 | Frostburg | Allegany | 13,647 |
| 21826 | Fruitland | Wicomico | 5,451 |
| 20759 | Fulton | Howard | 6,624 |
| 21734 | Funkstown | Washington | 1,076 |
| 20877 | Gaithersburg | Montgomery | 38,546 |
| 20878 | Gaithersburg | Montgomery | 66,115 |
| 20879 | Gaithersburg | Montgomery | 25,264 |
| 20882 | Gaithersburg | Montgomery | 13,751 |
| 20883 | GAITHERSBURG | N/A | N/A |
| 20884 | GAITHERSBURG | N/A | N/A |
| 20885 | GAITHERSBURG | N/A | N/A |
| 20898 | GAITHERSBURG | N/A | N/A |
| 20899 | Gaithersburg | Montgomery | 57 |
| 21635 | Galena | Kent | 2,085 |
| 20765 | Galesville | Anne Arundel | 668 |
| 21054 | Gambrills | Anne Arundel | 16,386 |
| 20896 | Garrett Park | Montgomery | 932 |
| 21930 | Georgetown | Cecil | 25 |
| 20874 | Germantown | Montgomery | 62,738 |
| 20875 | GERMANTOWN | N/A | N/A |
| 20876 | Germantown | Montgomery | 26,406 |
| 21056 | Gibson Island | Anne Arundel | 291 |
| 21829 | Girdletree | Worcester | 396 |
| 21057 | Glen Arm | Baltimore | 4,386 |
| 21060 | Glen Burnie | Anne Arundel | 39,730 |
| 21061 | Glen Burnie | Anne Arundel | 57,230 |
| 21062 | GLEN BURNIE | N/A | N/A |
| 20812 | Glen Echo | Montgomery | 276 |
| 21737 | Glenelg | Howard | 2,474 |
| 20769 | Glenn Dale | Prince George's | 6,947 |
| 21738 | Glenwood | Howard | 3,696 |
| 21071 | Glyndon | Baltimore | 404 |
| 21636 | Goldsboro | Caroline | 1,097 |
| 21536 | Grantsville | Garrett | 3,833 |
| 21638 | Grasonville | Queen Anne's | 5,420 |
| 20634 | Great Mills | St. Mary's | 7,088 |
| 20768 | GREENBELT | N/A | N/A |
| 20770 | Greenbelt | Prince George's | 28,384 |
| 20771 | Greenbelt | Prince George's | 0 |
| 21639 | Greensboro | Caroline | 4,682 |
| 21010 | Gunpowder | Harford | 239 |
| 21207 | Gwynn Oak | Baltimore | 47,099 |
| 21740 | Hagerstown | Washington | 64,792 |
| 21741 | HAGERSTOWN | N/A | N/A |
| 21742 | Hagerstown | Washington | 34,069 |
| 21746 | Hagerstown | Washington | 2,361 |
| 21227 | Halethorpe | Baltimore | 34,907 |
| 21074 | Hampstead | Carroll | 14,777 |
| 21750 | Hancock | Washington | 3,417 |
| 21076 | Hanover | Anne Arundel | 24,268 |
| 21077 | Harmans | Anne Arundel | 63 |
| 20776 | Harwood | Anne Arundel | 3,315 |
| 21078 | Havre De Grace | Harford | 20,030 |
| 21830 | Hebron | Wicomico | 5,200 |
| 21640 | Henderson | Caroline | 1,163 |
| 20777 | Highland | Howard | 3,221 |
| 21641 | Hillsboro | Caroline | 127 |
| 20636 | Hollywood | St. Mary's | 10,486 |
| 20637 | Hughesville | Charles | 6,133 |
| 21031 | Hunt Valley | Baltimore | 26 |
| 21065 | HUNT VALLEY | N/A | N/A |
| 20639 | Huntingtown | Calvert | 15,544 |
| 21643 | Hurlock | Dorchester | 5,392 |
| 20781 | Hyattsville | Prince George's | 13,352 |
| 20782 | Hyattsville | Prince George's | 34,293 |
| 20783 | Hyattsville | Prince George's | 50,333 |
| 20784 | Hyattsville | Prince George's | 33,831 |
| 20785 | Hyattsville | Prince George's | 40,066 |
| 20787 | HYATTSVILLE | N/A | N/A |
| 21082 | Hydes | Baltimore | 626 |
| 21754 | Ijamsville | Frederick | 8,156 |
| 20640 | Indian Head | Charles | 10,685 |
| 21644 | Ingleside | Queen Anne's | 81 |
| 20645 | Issue | Charles | 814 |
| 21084 | Jarrettsville | Harford | 7,070 |
| 21755 | Jefferson | Frederick | 5,909 |
| 20794 | Jessup | Howard | 16,814 |
| 21085 | Joppa | Harford | 17,307 |
| 21756 | Keedysville | Washington | 3,640 |
| 21645 | Kennedyville | Kent | 959 |
| 20891 | KENSINGTON | N/A | N/A |
| 20895 | Kensington | Montgomery | 19,184 |
| 21757 | Keymar | Carroll | 2,671 |
| 21087 | Kingsville | Baltimore | 5,537 |
| 21538 | Kitzmiller | Garrett | 678 |
| 21758 | Knoxville | Washington | 4,409 |
| 20646 | La Plata | Charles | 21,400 |
| 21759 | LADIESBURG | N/A | N/A |
| 20703 | LANHAM | N/A | N/A |
| 20706 | Lanham | Prince George's | 42,612 |
| 20707 | Laurel | Prince George's | 37,278 |
| 20708 | Laurel | Prince George's | 27,593 |
| 20709 | LAUREL | N/A | N/A |
| 20723 | Laurel | Howard | 36,866 |
| 20724 | Laurel | Anne Arundel | 19,369 |
| 20725 | LAUREL | N/A | N/A |
| 20726 | LAUREL | N/A | N/A |
| 20650 | Leonardtown | St. Mary's | 16,094 |
| 20653 | Lexington Park | St. Mary's | 26,852 |
| 21762 | Libertytown | Frederick | 139 |
| 21835 | Linkwood | Dorchester | 312 |
| 21090 | Linthicum Heights | Anne Arundel | 10,652 |
| 21765 | LISBON | N/A | N/A |
| 21766 | Little Orleans | Allegany | 854 |
| 21539 | Lonaconing | Garrett | 1,975 |
| 21092 | LONG GREEN | N/A | N/A |
| 20711 | Lothian | Anne Arundel | 7,731 |
| 20656 | Loveville | St. Mary's | 87 |
| 21540 | Luke | Allegany | 89 |
| 20657 | Lusby | Calvert | 20,699 |
| 21093 | Lutherville Timonium | Baltimore | 39,100 |
| 21094 | LUTHERVILLE TIMONIUM | N/A | N/A |
| 21648 | Madison | Dorchester | 172 |
| 21102 | Manchester | Carroll | 12,162 |
| 21836 | MANOKIN | N/A | N/A |
| 20658 | Marbury | Charles | 866 |
| 21837 | Mardela Springs | Wicomico | 2,891 |
| 21838 | Marion Station | Somerset | 1,873 |
| 21104 | Marriottsville | Howard | 6,052 |
| 21649 | Marydel | Queen Anne's | 1,890 |
| 21105 | Maryland Line | Baltimore | 36 |
| 21650 | Massey | Kent | 265 |
| 21767 | Maugansville | Washington | 1,031 |
| 21106 | MAYO | N/A | N/A |
| 21647 | Mcdaniel | Talbot | 320 |
| 21541 | McHenry | Garrett | 1,335 |
| 20659 | Mechanicsville | St. Mary's | 24,324 |
| 21220 | Middle River | Baltimore | 42,824 |
| 21769 | Middletown | Frederick | 11,965 |
| 21542 | Midland | Allegany | 84 |
| 21543 | Midlothian | Allegany | 185 |
| 21108 | Millersville | Anne Arundel | 18,643 |
| 21651 | Millington | Kent | 2,290 |
| 21111 | Monkton | Baltimore | 4,714 |
| 21770 | Monrovia | Frederick | 8,751 |
| 20886 | Montgomery Village | Montgomery | 34,718 |
| 20660 | Morganza | St. Mary's | 14 |
| 21771 | Mount Airy | Frederick | 33,031 |
| 20712 | Mount Rainier | Prince George's | 9,563 |
| 21545 | Mount Savage | Allegany | 1,694 |
| 20661 | Mount Victoria | Charles | 0 |
| 21773 | Myersville | Frederick | 5,826 |
| 20662 | Nanjemoy | Charles | 2,129 |
| 21840 | Nanticoke | Wicomico | 576 |
| 21652 | Neavitt | Talbot | 155 |
| 21774 | New Market | Frederick | 17,134 |
| 21775 | NEW MIDWAY | N/A | N/A |
| 21776 | New Windsor | Carroll | 6,261 |
| 21841 | Newark | Worcester | 793 |
| 20664 | Newburg | Charles | 3,138 |
| 21653 | Newcomb | Talbot | 84 |
| 20714 | North Beach | Anne Arundel | 4,525 |
| 21901 | North East | Cecil | 19,514 |
| 21236 | Nottingham | Baltimore | 39,514 |
| 21550 | Oakland | Garrett | 13,691 |
| 21842 | Ocean City | Worcester | 11,226 |
| 21843 | OCEAN CITY | N/A | N/A |
| 21113 | Odenton | Anne Arundel | 36,705 |
| 21555 | Oldtown | Allegany | 1,470 |
| 20830 | OLNEY | N/A | N/A |
| 20832 | Olney | Montgomery | 25,553 |
| 20736 | Owings | Calvert | 9,960 |
| 21117 | Owings Mills | Baltimore | 62,816 |
| 21654 | Oxford | Talbot | 1,179 |
| 20745 | Oxon Hill | Prince George's | 28,605 |
| 20750 | OXON HILL | N/A | N/A |
| 20667 | Park Hall | St. Mary's | 150 |
| 21120 | Parkton | Baltimore | 7,440 |
| 21234 | Parkville | Baltimore | 66,334 |
| 21849 | Parsonsburg | Wicomico | 3,388 |
| 21122 | Pasadena | Anne Arundel | 61,566 |
| 21123 | PASADENA | N/A | N/A |
| 20670 | Patuxent River | St. Mary's | 2,046 |
| 21128 | Perry Hall | Baltimore | 15,501 |
| 21902 | Perry Point | Cecil | 340 |
| 21130 | Perryman | Harford | 112 |
| 21903 | Perryville | Cecil | 5,692 |
| 21131 | Phoenix | Baltimore | 7,141 |
| 21208 | Pikesville | Baltimore | 37,276 |
| 21282 | PIKESVILLE | N/A | N/A |
| 20674 | Piney Point | St. Mary's | 769 |
| 21556 | PINTO | N/A | N/A |
| 21850 | Pittsville | Wicomico | 3,850 |
| 21851 | Pocomoke City | Worcester | 7,297 |
| 21777 | Point Of Rocks | Frederick | 2,462 |
| 20675 | Pomfret | Charles | 1,796 |
| 20837 | Poolesville | Montgomery | 6,699 |
| 21904 | Port Deposit | Cecil | 6,233 |
| 20676 | Port Republic | Calvert | 3,218 |
| 20677 | Port Tobacco | Charles | 2,088 |
| 20854 | Potomac | Montgomery | 50,498 |
| 20859 | POTOMAC | N/A | N/A |
| 21852 | POWELLVILLE | N/A | N/A |
| 21655 | Preston | Caroline | 5,053 |
| 21656 | PRICE | N/A | N/A |
| 20678 | Prince Frederick | Calvert | 12,752 |
| 21853 | Princess Anne | Somerset | 10,537 |
| 21132 | Pylesville | Harford | 3,160 |
| 21856 | Quantico | Wicomico | 1,037 |
| 21657 | Queen Anne | Queen Anne's | 1,354 |
| 21658 | Queenstown | Queen Anne's | 3,632 |
| 21133 | Randallstown | Baltimore | 31,398 |
| 21557 | Rawlings | Allegany | 1,481 |
| 21857 | REHOBETH | N/A | N/A |
| 21136 | Reisterstown | Baltimore | 32,088 |
| 21659 | Rhodesdale | Dorchester | 1,601 |
| 21139 | RIDERWOOD | N/A | N/A |
| 20680 | Ridge | St. Mary's | 663 |
| 21660 | Ridgely | Caroline | 4,132 |
| 21911 | Rising Sun | Cecil | 10,551 |
| 21140 | Riva | Anne Arundel | 4,417 |
| 20737 | Riverdale | Prince George's | 24,489 |
| 20738 | RIVERDALE | N/A | N/A |
| 21661 | Rock Hall | Kent | 2,613 |
| 20847 | ROCKVILLE | N/A | N/A |
| 20848 | ROCKVILLE | N/A | N/A |
| 20849 | ROCKVILLE | N/A | N/A |
| 20850 | Rockville | Montgomery | 50,353 |
| 20851 | Rockville | Montgomery | 14,946 |
| 20852 | Rockville | Montgomery | 48,180 |
| 20853 | Rockville | Montgomery | 31,851 |
| 20857 | ROCKVILLE | N/A | N/A |
| 21778 | Rocky Ridge | Frederick | 745 |
| 21779 | Rohrersville | Washington | 1,311 |
| 21237 | Rosedale | Baltimore | 31,425 |
| 21662 | Royal Oak | Talbot | 546 |
| 21780 | Sabillasville | Frederick | 2,159 |
| 20684 | Saint Inigoes | St. Mary's | 802 |
| 21781 | Saint James | Washington | 25 |
| 20685 | Saint Leonard | Calvert | 6,866 |
| 20686 | Saint Marys City | St. Mary's | 971 |
| 21663 | Saint Michaels | Talbot | 3,764 |
| 21801 | Salisbury | Wicomico | 30,088 |
| 21802 | SALISBURY | N/A | N/A |
| 21803 | SALISBURY | N/A | N/A |
| 21804 | Salisbury | Wicomico | 40,430 |
| 20860 | Sandy Spring | Montgomery | 2,035 |
| 20763 | Savage | Howard | 2,601 |
| 20687 | Scotland | St. Mary's | 415 |
| 21664 | Secretary | Dorchester | 635 |
| 21144 | Severn | Anne Arundel | 37,118 |
| 21146 | Severna Park | Anne Arundel | 28,591 |
| 20764 | Shady Side | Anne Arundel | 2,993 |
| 21782 | Sharpsburg | Washington | 3,704 |
| 21861 | Sharptown | Wicomico | 920 |
| 21665 | Sherwood | Talbot | 229 |
| 21862 | Showell | Worcester | 30 |
| 20901 | Silver Spring | Montgomery | 36,435 |
| 20902 | Silver Spring | Montgomery | 54,261 |
| 20903 | Silver Spring | Montgomery | 24,815 |
| 20904 | Silver Spring | Montgomery | 58,646 |
| 20905 | Silver Spring | Montgomery | 19,004 |
| 20906 | Silver Spring | Montgomery | 70,595 |
| 20907 | SILVER SPRING | N/A | N/A |
| 20910 | Silver Spring | Montgomery | 45,943 |
| 20911 | SILVER SPRING | N/A | N/A |
| 20914 | SILVER SPRING | N/A | N/A |
| 20915 | SILVER SPRING | N/A | N/A |
| 20916 | SILVER SPRING | N/A | N/A |
| 20918 | SILVER SPRING | N/A | N/A |
| 20993 | SILVER SPRING | N/A | N/A |
| 21150 | SIMPSONVILLE | N/A | N/A |
| 21783 | Smithsburg | Washington | 9,910 |
| 21863 | Snow Hill | Worcester | 5,281 |
| 20688 | Solomons | Calvert | 1,290 |
| 21152 | Sparks Glencoe | Baltimore | 6,459 |
| 21219 | Sparrows Point | Baltimore | 9,565 |
| 20868 | Spencerville | Montgomery | 198 |
| 21560 | Spring Gap | Allegany | 9 |
| 21153 | Stevenson | Baltimore | 456 |
| 21666 | Stevensville | Queen Anne's | 14,394 |
| 21667 | Still Pond | Kent | 291 |
| 21864 | Stockton | Worcester | 606 |
| 21154 | Street | Harford | 6,544 |
| 21668 | Sudlersville | Queen Anne's | 2,011 |
| 20746 | Suitland | Prince George's | 27,156 |
| 20752 | SUITLAND | N/A | N/A |
| 20689 | Sunderland | Calvert | 1,809 |
| 21561 | Swanton | Garrett | 2,412 |
| 21784 | Sykesville | Carroll | 39,258 |
| 20912 | Takoma Park | Montgomery | 25,749 |
| 20913 | TAKOMA PARK | N/A | N/A |
| 20690 | Tall Timbers | St. Mary's | 1,077 |
| 21787 | Taneytown | Carroll | 11,645 |
| 21669 | Taylors Island | Dorchester | 160 |
| 20748 | Temple Hills | Prince George's | 40,338 |
| 20757 | TEMPLE HILLS | N/A | N/A |
| 21670 | TEMPLEVILLE | N/A | N/A |
| 21788 | Thurmont | Frederick | 11,654 |
| 21671 | Tilghman | Talbot | 727 |
| 21672 | Toddville | Dorchester | 161 |
| 21204 | Towson | Baltimore | 19,845 |
| 21252 | Towson | Baltimore | 4,865 |
| 21284 | TOWSON | N/A | N/A |
| 21285 | Towson | Baltimore | 3 |
| 21286 | Towson | Baltimore | 21,853 |
| 20779 | Tracys Landing | Anne Arundel | 883 |
| 21673 | Trappe | Talbot | 2,843 |
| 21790 | Tuscarora | Frederick | 170 |
| 21865 | Tyaskin | Wicomico | 320 |
| 21866 | Tylerton | Somerset | 81 |
| 21791 | Union Bridge | Frederick | 5,340 |
| 21792 | UNIONVILLE | N/A | N/A |
| 21867 | Upper Fairmount | Somerset | 60 |
| 21156 | Upper Falls | Baltimore | 204 |
| 20772 | Upper Marlboro | Prince George's | 54,319 |
| 20773 | UPPER MARLBORO | N/A | N/A |
| 20774 | Upper Marlboro | Prince George's | 51,816 |
| 20775 | UPPER MARLBORO | N/A | N/A |
| 20792 | UPPER MARLBORO | N/A | N/A |
| 21155 | Upperco | Baltimore | 3,313 |
| 20692 | Valley Lee | St. Mary's | 505 |
| 21869 | Vienna | Dorchester | 827 |
| 20601 | Waldorf | Charles | 26,945 |
| 20602 | Waldorf | Charles | 28,331 |
| 20603 | Waldorf | Charles | 31,844 |
| 20604 | WALDORF | N/A | N/A |
| 21793 | Walkersville | Frederick | 10,719 |
| 21912 | Warwick | Cecil | 1,536 |
| 20880 | Washington Grove | Montgomery | 577 |
| 20693 | Welcome | Charles | 1,496 |
| 21794 | West Friendship | Howard | 2,192 |
| 20778 | West River | Anne Arundel | 2,211 |
| 21562 | Westernport | Allegany | 3,032 |
| 21157 | Westminster | Carroll | 38,984 |
| 21158 | Westminster | Carroll | 22,083 |
| 21871 | Westover | Somerset | 1,764 |
| 21890 | Westover | Somerset | 3,289 |
| 21872 | Whaleyville | Worcester | 661 |
| 21161 | White Hall | Harford | 5,221 |
| 21162 | White Marsh | Baltimore | 4,639 |
| 20695 | White Plains | Charles | 16,407 |
| 21160 | Whiteford | Harford | 2,441 |
| 21874 | Willards | Wicomico | 1,693 |
| 21795 | Williamsport | Washington | 10,144 |
| 21244 | Windsor Mill | Baltimore | 38,208 |
| 21675 | Wingate | Dorchester | 38 |
| 21676 | Wittman | Talbot | 439 |
| 21797 | Woodbine | Howard | 8,643 |
| 21798 | Woodsboro | Frederick | 2,928 |
| 21163 | Woodstock | Baltimore | 7,539 |
| 21677 | Woolford | Dorchester | 436 |
| 21678 | Worton | Kent | 1,658 |
| 21679 | Wye Mills | Talbot | 306 |