← Area code 231
231-845 phone numbers
Numbers 231-845-0000 to 231-845-9999 are assigned to Frontier North, Inc. in Ludington, MI.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 231-845
- 1 (231) 845-9910 6complaints
- 2 (231) 845-0702 2complaints
- 3 (231) 845-3992 2complaints
- 4 (231) 845-0038 1complaints
- 5 (231) 845-0563 1complaints
- 6 (231) 845-0581 1complaints
- 7 (231) 845-0596 1complaints
- 8 (231) 845-5153 1complaints
- 9 (231) 845-5354 1complaints
- 10 (231) 845-5355 1complaints
- 11 (231) 845-5377 1complaints
- 12 (231) 845-5977 1complaints
- 13 (231) 845-7354 1complaints
- 14 (231) 845-7411 1complaints