← Area code 231
231-428 phone numbers
Numbers 231-428-0000 to 231-428-9999 are assigned to Onvoy, Llcv in Muskegon, MI. 7 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 231-428
- 1 (231) 428-2792 11complaints
- 2 (231) 428-3508 2complaints
- 3 (231) 428-3648 2complaints
- 4 (231) 428-1514 1complaints
- 5 (231) 428-2875 1complaints
- 6 (231) 428-2883 1complaints
- 7 (231) 428-2901 1complaints
- 8 (231) 428-3021 1complaints
- 9 (231) 428-3051 1complaints
- 10 (231) 428-3182 1complaints
- 11 (231) 428-3391 1complaints
- 12 (231) 428-3565 1complaints
- 13 (231) 428-3608 1complaints
- 14 (231) 428-3693 1complaints
- 15 (231) 428-3694 1complaints
- 16 (231) 428-3837 1complaints
- 17 (231) 428-3838 1complaints
- 18 (231) 428-3985 1complaints
- 19 (231) 428-4054 1complaints
- 20 (231) 428-4088 1complaints
- 21 (231) 428-4135 1complaints
- 22 (231) 428-4308 1complaints
- 23 (231) 428-4343 1complaints
- 24 (231) 428-4506 1complaints
- 25 (231) 428-4555 1complaints
- 26 (231) 428-4775 1complaints
- 27 (231) 428-4776 1complaints
- 28 (231) 428-4782 1complaints
- 29 (231) 428-4787 1complaints
- 30 (231) 428-4804 1complaints
- 31 (231) 428-4846 1complaints
- 32 (231) 428-4948 1complaints
- 33 (231) 428-4992 1complaints