| Business | Phone |
| City Of Cumberland Information 57 N Liberty St, Cumberland 21502 | (301) 722-2000 |
| Cumberland City Adm 57 N Liberty St, Cumberland 21502 | (301) 759-6428 |
| Cumberland City Ambulance 20 Bedford St, Cumberland 21502 | (301) 759-6485 |
| Cumberland City Engineering 20 Bedford St, Cumberland 21502 | (301) 759-6600 |
| Cumberland City Housing Asst 57 N Liberty St, Cumberland 21502 | (301) 759-6450 |
| Cumberland City Personnel 57 N Liberty St, Cumberland 21502 | (301) 759-6415 |
| Cumberland Downtown Dev Comm 35 Frederick St, Cumberland 21502 | (301) 759-6435 |
| Cumberland Elections 57 N Liberty St, Cumberland 21502 | (301) 759-6448 |
| Cumberland Electrical Inspctr 20 Bedford St, Cumberland 21502 | (301) 759-6502 |
| Cumberland Planning Dept 20 Bedford St, Cumberland 21502 | (301) 759-6435 |
| Cumberland Wastewater Plant E Offutt St, Cumberland 21502 | (301) 759-6427 |
| Cumberland Water Distr Dept 215 Bowen St, Cumberland 21502 | (301) 759-6623 |
| Downtown Development 129 Baltimore St, Cumberland 21502 | (301) 777-2800 |
| Downtown Development 37 Centre St, Cumberland 21502 | (301) 777-2800 |