Phone numbers in Franklin, Louisiana
Franklin has 8 phone prefixes in area code 337.
Biggest holders: AT&T (local phone), Verizon Wireless, Advanced Tel. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 12%
- Local phone company 38%
- Internet / business phone carrier 25%
- Phone company 25%
Every prefix in Franklin
Search the first six digits of a number in this list. If it's here, the number started in Franklin with the carrier shown. If it isn't, check the Louisiana page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 337-346 | Verizon Wireless | Mobile carrier | 2003 |
| 337-355 | Advanced Tel | Phone company | 2002 |
| 337-413 | AT&T (local phone) | Local phone company | – |
| 337-471 | AT&T Enterprises | Phone company | 2009 |
| 337-809 | Windstream (PAETEC) | Internet / business phone carrier | 2005 |
| 337-828 | AT&T (local phone) | Local phone company | – |
| 337-829 | AT&T (local phone) | Local phone company | – |
| 337-907 | Comcast | Internet / business phone carrier | – |
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.