| Prefix | Primary City | Usage | Carrier |
|---|---|---|---|
| 534-220 | Chippewa Falls, WI | Landline | Sbc Internet Services |
| 534-229 | Centurylink Communications Llc | Landline | Chippewa Falls |
| 534-248 | Centurylink Communications Llc | Landline | Chippewa Falls |
| 534-321 | Centurylink Communications Llc | Landline | Chippewa Falls |
| 534-429 | Teleport Communications America, Llc - Wi | - | Chippewa Falls |