Area Code 231 — Carriers, Line Types & Portability
Carrier breakdown and line-type data for area code 231 (MI), across 293 analyzed numbers. Useful for bulk-validating 231 calling lists and spotting VoIP/ported numbers before you dial or text.
Carriers in area code 231
| Carrier | Numbers analyzed |
|---|---|
| Verizon Wireless | 149 |
| AT&T | 115 |
| T-Mobile | 22 |
| Bandwidth.com | 2 |
| Dish Wireless | 1 |
| Brightlink Communications | 1 |
| Terra Nova Telecom | 1 |
| Onvoy | 1 |
| Centurylink | 1 |
Line types in 231
| Line type | Numbers analyzed |
|---|---|
| WIRELESS | 265 |
| PCS | 22 |
| CLEC | 4 |
| IPES | 2 |
Top rate centers
| Rate center | Numbers analyzed |
|---|---|
| MUSKEGON | 77 |
| TRAVERSECY | 70 |
| PETOSKEY | 24 |
| CADILLAC | 18 |
| CHEBOYGAN | 17 |
| BIG RAPIDS | 16 |
| NEWAYGO | 10 |
| LUDINGTON | 9 |
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