City levels are determined by the county in which they are located. If the city is not named below, it may be located within a county listed below. Visit the National Association of Counties website and type the city name into the "City/Zip Search" tab to determine the city's county. If the city is not listed below or is not located in a county below, that city is a Level 1.
| Level | City | County |
|---|---|---|
| 3 | Aberdeen / Bel Air / Belcamp | Harford |
| 4 | Annapolis | Anne Arundel |
| 4 | Baltimore City | Baltimore City |
| 3 | Baltimore County | Baltimore |
| 4 | Cambridge / St. Michaels | Dorchester / Talbot |
| 4 | Centreville | Queen Anne |
| 4 | Columbia | Howard |
| 4 | D.C. (District of Columbia) | See also District of Columbia Montgomery, Prince George |
| 3 | Frederick | Frederick |
| 4 | Ocean City | Worcester |