| Business | Phone |
| T-Mobile Usa 1982 W Grand River Ave, Okemos 48864 | (517) 347-3524 |
| Sprint 1982 W Grand River Ave, Okemos 48864 | (517) 381-2354 |
| Centennial Wireless 1982 W Grand River Ave, Okemos 48864 | (517) 381-5278 |
| Centennial Wireless 5100 Marsh Rd I2, Okemos 48864 | (517) 381-2318 |
| Nextel 2807 Jolly Rd, Okemos 48864 | (517) 324-4800 |