| Business | Phone |
| Art Department 76 Baltimore St, Cumberland 21502 | (301) 777-8248 |
| Cell Works Cellular 1316 National Hwy, Cumberland 21502 | (301) 729-5181 |
| Dobson Cellular 705 Park St, Cumberland 21502 | (301) 722-3575 |
| Mountainside Wireless Llc 47 Baltimore St, Cumberland 21502 | (301) 777-0168 |
| Nextel Retail 1262 Vocke Rd, Cumberland 21502 | (301) 729-5150 |