| Business | Phone |
| Chief Of Police 100 W Patrick St, Frederick 21701 | (301) 694-2106 |
| Criminal Division 100 W Patrick St, Frederick 21701 | (301) 694-2126 |
| Frederick City Police 100 W Patrick St, Frederick 21701 | (301) 694-2100 |
| Police-Checkmate Anonymous 100 W Patrick St, Frederick 21701 | (301) 662-1424 |
| Police-Duty Officer 100 W Patrick St, Frederick 21701 | (301) 694-2101 |
| Police-Human Resources 100 W Patrick St, Frederick 21701 | (301) 694-2133 |
| Police-Records Section 100 W Patrick St, Frederick 21701 | (301) 694-2127 |