Phone numbers in Byron Center, Michigan
Byron Center has 9 phone prefixes in area code 616.
Biggest holders: Onvoy, AT&T (local phone), T-Mobile (including Sprint). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 11%
- Local phone company 22%
- Internet / business phone carrier 67%
Every prefix in Byron Center
Search the first six digits of a number in this list. If it's here, the number started in Byron Center with the carrier shown. If it isn't, check the Michigan page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 616-217 | T-Mobile (including Sprint) | Mobile carrier | 2004 |
| 616-277 | Interactive Services Network | Internet / business phone carrier | 2004 |
| 616-305 | Onvoy | Internet / business phone carrier | 2023 |
| 616-345 | Onvoy | Internet / business phone carrier | – |
| 616-366 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 616-583 | AT&T (local phone) | Local phone company | – |
| 616-626 | Onvoy | Internet / business phone carrier | – |
| 616-730 | Windstream (PAETEC) | Internet / business phone carrier | 2007 |
| 616-878 | AT&T (local phone) | Local phone company | – |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.