Phone numbers in Ludington, Michigan
Ludington has 14 phone prefixes in area code 231.
Biggest holders: Verizon Wireless, 123.NET, Frontier. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 43%
- Local phone company 14%
- Internet / business phone carrier 21%
- Paging service 7%
- Phone company 14%
Every prefix in Ludington
Search the first six digits of a number in this list. If it's here, the number started in Ludington with the carrier shown. If it isn't, check the Michigan page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 231-233 | Verizon Wireless | Mobile carrier | 2004 |
| 231-239 | Verizon Wireless | Mobile carrier | 2004 |
| 231-261 | Peninsula Fiber Network | Internet / business phone carrier | 2018 |
| 231-316 | Interactive Services Network | Internet / business phone carrier | – |
| 231-336 | Spok | Paging service | – |
| 231-425 | T-Mobile (including Sprint) | Mobile carrier | – |
| 231-480 | Level 3 (Lumen) | Internet / business phone carrier | 2002 |
| 231-583 | 123.NET | Phone company | 2002 |
| 231-690 | Verizon Wireless | Mobile carrier | 2002 |
| 231-813 | 123.NET | Phone company | – |
| 231-843 | Frontier | Local phone company | – |
| 231-845 | Frontier | Local phone company | – |
| 231-852 | AT&T Mobility | Mobile carrier | – |
| 231-907 | AT&T Mobility | Mobile carrier | 2002 |
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.