| State | County |
|---|---|
| Lake Arbor | Prince George's County |
| Rosedale | Baltimore County |
| Golden Beach | St. Mary's County |
| Glenarden | Prince George's County |
| Ballenger Creek | Frederick County |
| Cecil County | Cecil County |
| Piney Point | St. Mary's County |
| Rawlings | Allegany County |
| Halfway | Washington County |
| Centreville | Queen Anne's County |
| Hagerstown | Washington County |
| Oxon Hill | Prince George's County |
| Lanham | Prince George's County |
| Woodsboro | Frederick County |
| Ilchester | Howard County |
| Owings Mills | Baltimore County |
| Bowleys Quarters | Baltimore County |
| Riverside | Harford County |
| Potomac Heights | Charles County |
| Washington Grove | Montgomery County |
| Columbia | Howard County |
| Crofton | Anne Arundel County |
| Linganore | Frederick County |
| Rossville | Baltimore County |
| Poolesville | Montgomery County |
| Galena | Kent County |
| Marlton | Prince George's County |
| Mount Savage | Allegany County |
| Galesville | Anne Arundel County |
| St. Michaels | Talbot County |
| Rockville | Montgomery County |
| Cumberland | Allegany County |
| Allegany County | Allegany County |
| Milford Mill | Baltimore County |
| Hughesville | Charles County |
| Princess Anne | Somerset County |
| Maryland City | Anne Arundel County |
| Cape St. Claire | Anne Arundel County |
| Snow Hill | Worcester County |
| Loch Lynn Heights | Garrett County |
| Severna Park | Anne Arundel County |
| Havre de Grace | Harford County |
| Garrett County | Garrett County |
| Sandy Spring | Montgomery County |
| Cloverly | Montgomery County |
| Maugansville | Washington County |
| White Marsh | Baltimore County |
| Bryantown | Charles County |
| Redland | Montgomery County |
| Oxford | Talbot County |
| Chesapeake City | Cecil County |
| Leitersburg | Washington County |
| Upper Marlboro | Prince George's County |
| Drum Point | Calvert County |
| Grantsville | Garrett County |
| Prince George's County | Prince George's County |
| Burtonsville | Montgomery County |
| Smithsburg | Washington County |
| Fruitland | Wicomico County |
| Lonaconing | Allegany County |
| Chester | Queen Anne's County |
| Charlotte Hall | St. Mary's County |
| Four Corners | Montgomery County |
| Ferndale | Anne Arundel County |
| Mount Rainier | Prince George's County |
| Delmar | Wicomico County |
| Church Hill | Queen Anne's County |
| Takoma Park | Montgomery County |
| Edgewood | Harford County |
| Paramount-Long Meadow | Washington County |
| Aberdeen Proving Ground | Harford County |
| Derwood | Montgomery County |
| West Ocean City | Worcester County |
| Langley Park | Prince George's County |
| Leonardtown | St. Mary's County |
| Fort Washington | Prince George's County |
| Aspen Hill | Montgomery County |
| Towson | Baltimore County |
| Edgewater | Anne Arundel County |
| Pylesville | Harford County |
| Catonsville | Baltimore County |
| Dunkirk | Calvert County |
| Lutherville | Baltimore County |
| Mountain Lake Park | Garrett County |
| Odenton | Anne Arundel County |
| Accokeek | Prince George's County |
| Bethesda | Montgomery County |
| Manchester | Carroll County |
| Woodmore | Prince George's County |
| Indian Head | Charles County |
| Boonsboro | Washington County |
| Lexington Park | St. Mary's County |
| California | St. Mary's County |
| Westminster | Carroll County |
| Secretary | Dorchester County |
| Talbot County | Talbot County |
| Landover Hills | Prince George's County |
| Walker Mill | Prince George's County |
| Wicomico County | Wicomico County |
| Gambrills | Anne Arundel County |
| Ridgely | Caroline County |
| Berlin | Worcester County |
| Sharpsburg | Washington County |
| Clinton | Prince George's County |
| Algonquin | Dorchester County |
| Severn | Anne Arundel County |
| Jarrettsville | Harford County |
| Perry Hall | Baltimore County |
| Parole | Anne Arundel County |
| Jessup | Anne Arundel County |
| Melwood | Prince George's County |
| Eldersburg | Carroll County |
| Worcester County | Worcester County |
| Gaithersburg | Montgomery County |
| Potomac Park | Allegany County |
| Brock Hall | Prince George's County |
| Laurel | Prince George's County |
| Frostburg | Allegany County |
| Coral Hills | Prince George's County |
| Chevy Chase Section Three | Montgomery County |
| Fairmount Heights | Prince George's County |
| Pasadena | Anne Arundel County |
| Joppatowne | Harford County |
| East Riverdale | Prince George's County |
| Stevensville | Queen Anne's County |
| Chillum | Prince George's County |
| Friendsville | Garrett County |
| Cresaptown | Allegany County |
| Mount Aetna | Washington County |
| Port Deposit | Cecil County |
| Federalsburg | Caroline County |
| Chestertown | Kent County |
| Dorchester County | Dorchester County |
| Olney | Montgomery County |
| Cecilton | Cecil County |
| Pleasant Hills | Harford County |
| Cockeysville | Baltimore County |
| Germantown | Montgomery County |
| Jefferson | Frederick County |
| Wheaton | Montgomery County |
| New Windsor | Carroll County |
| Urbana | Frederick County |
| Baltimore | Baltimore city |
| Annapolis Neck | Anne Arundel County |
| Carroll County | Carroll County |
| Crisfield | Somerset County |
| Anne Arundel County | Anne Arundel County |
| Perryman | Harford County |
| Temple Hills | Prince George's County |
| Deale | Anne Arundel County |
| Glenmont | Montgomery County |
| Kensington | Montgomery County |
| Fulton | Howard County |
| Chevy Chase | Montgomery County |
| Summerfield | Prince George's County |
| Prince Frederick | Calvert County |
| Hebron | Wicomico County |
| Ocean Pines | Worcester County |
| Waldorf | Charles County |
| Millington | Queen Anne's County |
| Caroline County | Caroline County |
| Long Beach | Calvert County |
| Seat Pleasant | Prince George's County |
| Kingsville | Baltimore County |
| Solomons | Calvert County |
| Libertytown | Frederick County |
| National Harbor | Prince George's County |
| Mays Chapel | Baltimore County |
| St. James | Washington County |
| St. Leonard | Calvert County |
| Mitchellville | Prince George's County |
| Adamstown | Frederick County |
| Glassmanor | Prince George's County |
| Carney | Baltimore County |
| Huntingtown | Calvert County |
| Somerset | Montgomery County |
| Seabrook | Prince George's County |
| Cavetown | Washington County |
| Point of Rocks | Frederick County |
| Spencerville | Montgomery County |
| Suitland | Prince George's County |
| Riviera Beach | Anne Arundel County |
| Frederick | Frederick County |
| Landover | Prince George's County |
| Mount Vernon | Somerset County |
| Bartonsville | Frederick County |
| Silver Spring | Montgomery County |
| Brandywine | Prince George's County |
| Lochearn | Baltimore County |
| Dundalk | Baltimore County |
| Riverdale Park | Prince George's County |
| Funkstown | Washington County |
| Chevy Chase Village | Montgomery County |
| Fairland | Montgomery County |
| Somerset County | Somerset County |
| Hurlock | Dorchester County |
| Williamsport | Washington County |
| Randallstown | Baltimore County |
| Forest Glen | Montgomery County |
| Perryville | Cecil County |
| Forestville | Prince George's County |
| New Market | Frederick County |
| Robinwood | Washington County |
| Charles County | Charles County |
| Rock Hall | Kent County |
| Edmonston | Prince George's County |
| Clarksburg | Montgomery County |
| Brookmont | Montgomery County |
| Rosaryville | Prince George's County |
| Hillcrest Heights | Prince George's County |
| Owings | Calvert County |
| Capitol Heights | Prince George's County |
| Arden on the Severn | Anne Arundel County |
| Timonium | Baltimore County |
| Colesville | Montgomery County |
| Denton | Caroline County |
| Grasonville | Queen Anne's County |
| Herald Harbor | Anne Arundel County |
| Thurmont | Frederick County |
| Forest Heights | Prince George's County |
| Walkersville | Frederick County |
| Middletown | Frederick County |
| Howard County | Howard County |
| Westphalia | Prince George's County |
| Kettering | Prince George's County |
| Buckeystown | Frederick County |
| Fountainhead-Orchard Hills | Washington County |
| Queen Anne's County | Queen Anne's County |
| Queenland | Prince George's County |
| Calvert County | Calvert County |
| Shady Side | Anne Arundel County |
| Fort Meade | Anne Arundel County |
| Queenstown | Queen Anne's County |
| Mount Airy | Carroll County |
| Calvert Beach | Calvert County |
| Brooklyn Park | Anne Arundel County |
| Hampstead | Carroll County |
| Leisure World | Montgomery County |
| Montgomery Village | Montgomery County |
| Garrison | Baltimore County |
| Rising Sun | Cecil County |
| Adelphi | Prince George's County |
| North Potomac | Montgomery County |
| Kent County | Kent County |
| Corriganville | Allegany County |
| Elkridge | Howard County |
| Layhill | Montgomery County |
| Potomac | Montgomery County |
| La Vale | Allegany County |
| Salisbury | Wicomico County |
| Beltsville | Prince George's County |
| Springdale | Prince George's County |
| Chesapeake Beach | Calvert County |
| Elkton | Cecil County |
| Myersville | Frederick County |
| Morningside | Prince George's County |
| Fallston | Harford County |
| Largo | Prince George's County |
| Highland | Howard County |
| Cedarville | Prince George's County |
| Lusby | Calvert County |
| Washington County | Washington County |
| Baltimore County | Baltimore County |
| Kemp Mill | Montgomery County |
| Kent Narrows | Queen Anne's County |
| Silver Hill | Prince George's County |
| Taneytown | Carroll County |
| Fairwood | Prince George's County |
| Chevy Chase View | Montgomery County |
| Chesapeake Ranch Estates | Calvert County |
| Bel Air | Harford County |
| Ellicott City | Howard County |
| Cobb Island | Charles County |
| Tilghman Island | Talbot County |
| Cambridge | Dorchester County |
| New Carrollton | Prince George's County |
| Pittsville | Wicomico County |
| Calverton | Montgomery County |
| Arbutus | Baltimore County |
| Reisterstown | Baltimore County |
| Croom | Prince George's County |
| Trappe | Talbot County |
| Bowmans Addition | Allegany County |
| Savage | Howard County |
| Kingstown | Queen Anne's County |
| Preston | Caroline County |
| Mayo | Anne Arundel County |
| Cabin John | Montgomery County |
| North Bethesda | Montgomery County |
| Overlea | Baltimore County |
| Lake Shore | Anne Arundel County |
| Annapolis | Anne Arundel County |
| Bladensburg | Prince George's County |
| Friendly | Prince George's County |
| Pocomoke City | Worcester County |
| Darnestown | Montgomery County |
| Montgomery County | Montgomery County |
| Easton | Talbot County |
| Pikesville | Baltimore County |
| Frederick County | Frederick County |
| Mechanicsville | St. Mary's County |
| Chevy Chase Section Five | Montgomery County |
| Sharptown | Wicomico County |
| Willards | Wicomico County |
| Woodlawn | Baltimore County |
| Lansdowne | Baltimore County |
| Keedysville | Washington County |
| Hancock | Washington County |
| Konterra | Prince George's County |
| Highfield-Cascade | Washington County |
| Ocean City | Worcester County |
| Oakland | Garrett County |
| Eden | Somerset County |
| Braddock Heights | Frederick County |
| North Beach | Calvert County |
| Brunswick | Frederick County |
| Linthicum | Anne Arundel County |
| Spring Ridge | Frederick County |
| Crownsville | Anne Arundel County |
| Damascus | Montgomery County |
| Edgemere | Baltimore County |
| Hampton | Baltimore County |
| Sykesville | Carroll County |
| Bowie | Prince George's County |
| Travilah | Montgomery County |