TIFFIN — IA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | 1167 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| SOUTH SLOPE COOPERATIVE TELEPHONE COMPANY - IA | 562E | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | 1167 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| SOUTH SLOPE COOPERATIVE TELEPHONE COMPANY - IA | 562E | 1 |