| Business | Phone |
| One Communications 2610 Horizon Dr Se, Grand Rapids 49546 | (616) 988-7100 |
| Comcast Spotlight 3500 Patterson Ave Se A, Grand Rapids 49512 | (616) 247-3600 |
| Qwest Solutions Ctr 5989 Tahoe Dr Se, Grand Rapids 49546 | (616) 464-4800 |
| Phone Michigan Switch 4748 E Paris Ave Se, Grand Rapids 49512 | (616) 554-2164 |
| Norlight Telecommunications 4595 Broadmoor Ave Se, Grand Rapids 49512 | (616) 656-4601 |
| Nortel Networks 6000 28th St Se, Grand Rapids 49546 | (616) 949-2387 |