| Business | Phone |
| K & B Wireless 7303 Hanover Pkwy # B, Greenbelt 20770 | (301) 317-6544 |
| Nextel Retail 5506 Cherrywood Ln, Greenbelt 20770 | (301) 220-0271 |
| Cingular Wireless 7855 Walker Dr # 100, Greenbelt 20770 | (301) 489-3600 |
| Wireless.Com 8853 Greenbelt Rd, Greenbelt 20770 | (301) 552-2876 |