Phone numbers in Attalla, Alabama
Attalla has 9 phone prefixes in area codes 256, 938.
Biggest holders: Onvoy, AT&T (local phone), T-Mobile (including Sprint). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 11%
- Local phone company 22%
- Internet / business phone carrier 67%
Every prefix in Attalla
Search the first six digits of a number in this list. If it's here, the number started in Attalla with the carrier shown. If it isn't, check the Alabama page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 256-305 | T-Mobile (including Sprint) | Mobile carrier | 2001 |
| 256-344 | Teleport Communications America | Internet / business phone carrier | – |
| 256-538 | AT&T (local phone) | Local phone company | – |
| 256-570 | AT&T (local phone) | Local phone company | – |
| 256-691 | Windstream (PAETEC) | Internet / business phone carrier | – |
| 256-873 | Onvoy | Internet / business phone carrier | 2020 |
| 938-235 | Onvoy | Internet / business phone carrier | 2024 |
| 938-300 | Fractel | Internet / business phone carrier | 2019 |
| 938-999 | Onvoy | Internet / business phone carrier | 2017 |
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.