Phone numbers in Winnsboro, Louisiana
Winnsboro has 8 phone prefixes in area code 318.
Biggest holders: AT&T (local phone), AT&T Mobility, Eliska Wireless Ventures Subsidiary I. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 62%
- Local phone company 25%
- Internet / business phone carrier 12%
Every prefix in Winnsboro
Search the first six digits of a number in this list. If it's here, the number started in Winnsboro with the carrier shown. If it isn't, check the Louisiana page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 318-280 | Eliska Wireless Ventures Subsidiary I | Mobile carrier | 2001 |
| 318-367 | MetroPCS (T-Mobile) | Mobile carrier | 2001 |
| 318-412 | AT&T (local phone) | Local phone company | – |
| 318-435 | AT&T (local phone) | Local phone company | – |
| 318-439 | Verizon Wireless | Mobile carrier | 2003 |
| 318-498 | AT&T Mobility | Mobile carrier | 2003 |
| 318-535 | AT&T Mobility | Mobile carrier | 2006 |
| 318-907 | Windstream (PAETEC) | Internet / business phone carrier | 2005 |
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.