Phone numbers in Black River Falls, Wisconsin
Black River Falls has 5 phone prefixes in area codes 534, 715.
Biggest holders: T-Mobile (including Sprint), Brightspeed Of Central Wisconsin, UScellular. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 60%
- Local phone company 20%
- Internet / business phone carrier 20%
Every prefix in Black River Falls
Search the first six digits of a number in this list. If it's here, the number started in Black River Falls with the carrier shown. If it isn't, check the Wisconsin page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 534-236 | T-Mobile (including Sprint) | Mobile carrier | 2025 |
| 715-284 | Brightspeed Of Central Wisconsin | Local phone company | – |
| 715-299 | UScellular | Mobile carrier | – |
| 715-670 | Charter / Spectrum | Internet / business phone carrier | 2005 |
| 715-896 | Verizon Wireless | Mobile carrier | 2003 |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.