| Business | Phone |
| 6th District Court 27 Courthouse Sq, Rockville 20850 | (301) 279-1500 |
| District Court-Accounting 27 Courthouse Sq # 2, Rockville 20850 | (301) 279-1452 |
| District Court-Criminal Office 27 Courthouse Sq, Rockville 20850 | (301) 279-1520 |
| District Court-Montgomery Cnty 27 Courthouse Sq # 2, Rockville 20850 | (301) 279-1555 |
| District Court-Traffic Office 27 Courthouse Sq # 2, Rockville 20850 | (301) 279-1403 |