| Business | Phone |
| Cellular Stars 700 Crain Hwy S, Glen Burnie 21061 | (410) 766-0070 |
| Channel Microwave Corp East 502 Mccormick Dr # C, Glen Burnie 21061 | (410) 863-0026 |
| Cingular Wireless 6653 Ritchie Hwy # B, Glen Burnie 21061 | (410) 590-7799 |
| Cingular Wireless 7310 Ritchie Hwy, Glen Burnie 21061 | (410) 766-2194 |
| Keep In Touch Wireless 7900 Ritchie Hwy # A107, Glen Burnie 21061 | (410) 766-9430 |
| Portables 7900 Ritchie Hwy, Glen Burnie 21061 | (410) 768-6677 |
| Progressive Wireless 6816 Ritchie Hwy, Glen Burnie 21061 | (410) 590-2884 |
| Sprint 6731 Ritchie Hwy, Glen Burnie 21061 | (410) 766-7669 |
| Sprint Pcs 7900 Ritchie Hwy, Glen Burnie 21061 | (410) 766-9222 |
| T-Mobile 7900 Governor Ritchie Hwy, Glen Burnie 21061 | (410) 590-4984 |
| United Wireless 201 Crain Hwy N, Glen Burnie 21061 | (410) 863-0050 |
| Verizon Wireless 7900 Ritchie Hwy # D113, Glen Burnie 21061 | (410) 768-7100 |