| City | County | ||||
| Abell | St. Mary's | ||||
| Aberdeen | Harford | ||||
| Abingdon | Harford | ||||
| Accident | Garrett | ||||
| Adamstown | Frederick | ||||
| Annapolis Cape Saint Claire CPU | Anne Arundel | ||||
| Aspen Hill | Montgomery | ||||
| Avenue | St. Mary's | ||||
| Aquasco | Prince Georges | ||||
| Arnold | Anne Arundel | ||||
| Barclay | Queen Anne | ||||
| Barnesville | Montgomery | ||||
| Belcamp | Harford | ||||
| Benedict | Charles | ||||
| Berlin-Ocean Pines Branch | Worcester | ||||
| Bethesda | Montgomery | ||||
| Bethlehem | Caroline | ||||
| Big Pool | Washington | ||||
| Bishopville | Worcester | ||||
| Bittinger | Garrett | ||||
| Bivalve | Wicomico | ||||
| Bivalve VPO | Wicomico | ||||
| Bladensburg | Prince Georges | ||||
| Bloomington | Garrett | ||||
| Boonsboro | Washington | ||||
| Bozman | Talbot | ||||
| Braddock Heights-Postcard | Frederick | ||||
| Brandywine VPO | Prince Georges | ||||
| Brookville | Montgomery | ||||
| Broomes Island | Calvert | ||||
| Brownsville VPO | Washington | ||||
| Brunswick | Frederick | ||||
| Buckeystown | Frederick | ||||
| Burkittsville | Frederick | ||||
| Bushwood | St. Mary's | ||||
| California | St. Mary's | ||||
| Callaway | St. Mary's | ||||
| Cascade | Washington | ||||
| Cavetown | Washington | ||||
| Cecilton | Cecil | ||||
| Centerville | Queen Anne | ||||
| Chaptico | St. Mary's | ||||
| Charlotte Hall | St. Mary's | ||||
| Charlestown | Cecil | ||||
| Chase | Baltimore | ||||
| Cheltenham | Prince Georges | ||||
| Chesapeake City | Cecil | ||||
| Chewsville | Washington | ||||
| Childs | Cecil | ||||
| Chrisfield | Somerset | ||||
| Church Creek | Dorchester | ||||
| Church Hill | Queen Anne | ||||
| Churchton | Anne Arundel | ||||
| Clear Spring | Washington | ||||
| Clements | St. Mary's | ||||
| Cobb Island | Charles | ||||
| Cockeysville | Baltimore | ||||
| Colesville | Montgomery | ||||
| Coltons Point | St. Mary's | ||||
| Colora | Cecil | ||||
| Compton | St. Mary's | ||||
| Conowingo | Cecil | ||||
| Cordova | Talbot | ||||
| Corriganville | Allegany | ||||
| Crapo | Dorchester | ||||
| Cresaptown | Allegany | ||||
| Dameron | St. Mary's | ||||
| Darlington | Harford | ||||
| Davidsonville | Anne Arundel | ||||
| Dayton | Howard | ||||
| Deale | Anne Arundel | ||||
| Deal Island | Somerset | ||||
| Dickerson | Montgomery | ||||
| Drayden | St. Mary's | ||||
| Dunkirk | Calvert | ||||
| Earleville | Cecil | ||||
| East New Market | Dorchester | ||||
| Eastern Shore P&DF | Talbot | ||||
| Easton | Talbot | ||||
| Eckhart Mines | Allegany | ||||
| Eden | Somerset | ||||
| Edgewater-South River Colony | Anne Arundel | ||||
| Edgewood | Harford | ||||
| Ellerslie | Allegany | ||||
| Emmitsburg | Frederick | ||||
| Ewell | Somerset | ||||
| Fairplay | Washington | ||||
| Fairplay VPO | Washington | ||||
| Finksburg | Carroll | ||||
| Fishing Creek | Dorchester | ||||
| Fishing Creek VPO | Dorchester | ||||
| Flintstone | Allegany | ||||
| Flintstone VPO | Allegany | ||||
| Frederick | Frederick | ||||
| Frederick-Contract W. Patrick St. | Frederick | ||||
| Freeland | Baltimore | ||||
| Friendship | Anne Arundel | ||||
| Frostburg | Allegany | ||||
| Fruitland | Wicomico | ||||
| Funkstown | Washington | ||||
| Fort Howard | Baltimore | ||||
| Forest Hill | Harford | ||||
| Fulton | Howard | ||||
| Galena | Kent | ||||
| Galesville | Anne Arundel | ||||
| Georgetown | Cecil | ||||
| Garrett Park | Montgomery | ||||
| Gibson Island | Anne Arundel | ||||
| Girdletree | Worcester | ||||
| Glenelg | Howard | ||||
| Glenndale | Prince Georges | ||||
| Glenwood | Howard | ||||
| Glyndon | Baltimore | ||||
| Goldsboro | Caroline | ||||
| Grasonville | Queen Anne's | ||||
| Great Mills | St. Mary's | ||||
| Greenbelt | Prince Georges | ||||
| Greensboro | Caroline | ||||
| Hampstead | Carroll | ||||
| Hancock | Washington | ||||
| Hanover | Anne Arundel | ||||
| Hagerstown- Postcard | Washington | ||||
| Harwood | Anne Arundel | ||||
| Havre de Grace | Harford | ||||
| Hebron | Wicomico | ||||
| Henderson | Caroline | ||||
| Highland | Howard | ||||
| Hillsboro | Caroline | ||||
| Hollywood | St. Mary's | ||||
| Hurlock | Dorchester | ||||
| Hydes | Baltimore | ||||
| Ingleside | Queen Anne | ||||
| Issue | Charles | ||||
| Jarrettsville | Harford | ||||
| Jefferson | Frederick | ||||
| Jessup | Anne Arundle | ||||
| Joppa | Harford | ||||
| Kennedyville | Kent | ||||
| Keymar | Carroll | ||||
| Kitzmiller | Garrett | ||||
| La Vale | Allegany | ||||
| Ladiesburg | Frederick | ||||
| Lanham-Seabrook | Prince Georges | ||||
| Laytonsville | Montgomery | ||||
| Leonardtown | St. Mary's | ||||
| Lexington Park | St. Mary's | ||||
| Libertytown | Frederick | ||||
| Little Orleans | Allegany | ||||
| Linkwood | Dorchester | ||||
| Lisbon-Cooksville | Howard | ||||
| Little Orleans VPO | Allegany | ||||
| Lonaconing | Allegany | ||||
| Lothian | Anne Arundle | ||||
| Loveville | St. Mary's | ||||
| Lutherville | Baltimore | ||||
| Manchester | Carroll | ||||
| Marbury | Charles | ||||
| Marbury VPO | Charles | ||||
| Mardela Springs | Wicomico | ||||
| Marion Station | Somerset | ||||
| Marydel | Caroline | ||||
| Maryland Line | Baltimore | ||||
| Maugansville | Washington | ||||
| Mayo | Anne Arundel | ||||
| McHenry | Garrett | ||||
| Mechanicsville | St. Mary's | ||||
| Middletown | Frederick | ||||
| Midlothian | Allegany | ||||
| Morganza | St. Mary's | ||||
| Mount Savage | Allegany | ||||
| Mount Victoria VPO | Charles | ||||
| Mountain Lake Park | Garrett | ||||
| Myersville | Frederick | ||||
| New Market | Frederick | ||||
| New Midway | Frederick | ||||
| Newark | Worcester | ||||
| Newburg | Charles | ||||
| Newcomb | Talbot | ||||
| Oakland | Garrett | ||||
| Ocean City-Finance | Worcester | ||||
| Ocean City-Midtown | Worcester | ||||
| Oxford | Talbot | ||||
| Park Hall | St. Mary's | ||||
| Parkton | Baltimore | ||||
| Parsonburg | Wicomico | ||||
| Pasadena | Anne Arundel | ||||
| Perryman | Harford | ||||
| Piney Point | St. Mary's | ||||
| Pinto | Allegany | ||||
| Pittsville | Wicomico | ||||
| Point of Rocks | Frederick | ||||
| Port Deposit | Cecil | ||||
| Port Tobacco | Charles | ||||
| Princess Anne | Somerset | ||||
| Pylesville | Harford | ||||
| Quantico | Wicomico | ||||
| Queenstown | Queen Anne's | ||||
| Rawlings | Allegany | ||||
| Rhodesdale | Dorchester | ||||
| Ridge | St. Mary's | ||||
| Rising Sun | Cecil | ||||
| Riva | Anne Arundel | ||||
| Riverwood | Baltimore | ||||
| Riviera Beach | Anne Arundel | ||||
| Rohrersville | Washington | ||||
| Royal Oak-older | Talbot | ||||
| Royal Oak-current | Talbot | ||||
| Saint Inigoes | St. Mary's | ||||
| Saint James | Washington | ||||
| Saint Mary's City | St. Mary's | ||||
| Sandy Spring | Montgomery | ||||
| Secretary | Dorchester | ||||
| Severna Park | Anne Arundel | ||||
| Shady Side | Anne Arundel | ||||
| Sharpsburg | Washington | ||||
| Sharptown | Wicomico | ||||
| Sherwood | Talbot | ||||
| Silver Spring | Montgomery | ||||
| Smithsburg | Washington | ||||
| Sparks Glencoe | Baltimore | ||||
| Spring Gap | Allegany | ||||
| Street | Harford | ||||
| Stevenson | Baltimore | ||||
| St. Michaels | Talbot | ||||
| Sudlersville | Queen Anne | ||||
| Swanton | Garrett | ||||
| Sykesville CPU | Carroll | ||||
| Sykesville-Eldersburg | Carroll | ||||
| Tall Timbers | St. Mary's | ||||
| Takoma Park | Montgomery | ||||
| Taneytown | Carroll | ||||
| Taylors Island | Dorchester | ||||
| Templeville | Queen Anne | ||||
| Tilghman | Talbot | ||||
| Tilghman Village Post Office | Talbot | ||||
| Towson | Baltimore | ||||
| Tracy's Landing | Anne Arundel | ||||
| Trappe | Talbot | ||||
| Tuscarora | Frederick | ||||
| Tyaskin | Wicomico | ||||
| Tylerton | Somerset | ||||
| Union Bridge | Carroll | ||||
| Upper Fairmont | Somerset | ||||
| Upper Marlboro | Prince Georges | ||||
| Valley Lee | St. Mary's | ||||
| Vienna | Dorchester | ||||
| Walkersville | Frederick | ||||
| Warwick | Cecil | ||||
| West Friendship | Howard | ||||
| Westernport | Allegany | ||||
| Westover | Somerset | ||||
| Whiteford | Harford | ||||
| Willards | Wicomico | ||||
| Williamsport | Washington | ||||
| Wittman | Talbot | ||||
| Woodsboro | Frederick | ||||
| Woodmoor | Montgomery | ||||
| Woodsboro | Frederick | ||||
| Woolford | Dorchester | ||||
| Wye Mills | Talbot | ||||
| West River | Anne Arundel |
