Phone numbers in Grand Ledge, Michigan
Grand Ledge has 8 phone prefixes in area code 517.
Biggest holders: Frontier, T-Mobile (including Sprint), Teleport Communications America. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 12%
- Local phone company 38%
- Internet / business phone carrier 38%
- Phone company 12%
Every prefix in Grand Ledge
Search the first six digits of a number in this list. If it's here, the number started in Grand Ledge with the carrier shown. If it isn't, check the Michigan page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 517-261 | T-Mobile (including Sprint) | Mobile carrier | 2020 |
| 517-412 | Teleport Communications America | Internet / business phone carrier | 2010 |
| 517-622 | Frontier | Local phone company | – |
| 517-626 | Frontier | Local phone company | – |
| 517-627 | Frontier | Local phone company | – |
| 517-666 | Onvoy | Internet / business phone carrier | 2017 |
| 517-731 | Level 3 (Lumen) | Internet / business phone carrier | 2009 |
| 517-925 | Acd Telecom | Phone company | 2001 |
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.