Phone numbers in Siloam Springs, Arkansas
Siloam Springs has 11 phone prefixes in area code 479.
Biggest holders: Brightspeed Of Northwest Arkansas, AT&T Mobility, Verizon Wireless. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 45%
- Local phone company 45%
- Internet / business phone carrier 9%
Every prefix in Siloam Springs
Search the first six digits of a number in this list. If it's here, the number started in Siloam Springs with the carrier shown. If it isn't, check the Arkansas page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 479-215 | Brightspeed Of Northwest Arkansas | Local phone company | 2001 |
| 479-220 | AT&T Mobility | Mobile carrier | 2003 |
| 479-228 | Verizon Wireless | Mobile carrier | 2003 |
| 479-238 | Brightspeed Of Northwest Arkansas | Local phone company | – |
| 479-373 | Comcast | Internet / business phone carrier | – |
| 479-427 | AT&T Mobility | Mobile carrier | – |
| 479-524 | Brightspeed Of Northwest Arkansas | Local phone company | – |
| 479-549 | Brightspeed Of Northwest Arkansas | Local phone company | – |
| 479-558 | Verizon Wireless | Mobile carrier | 2025 |
| 479-599 | T-Mobile (including Sprint) | Mobile carrier | 2002 |
| 479-861 | Brightspeed Of Northwest Arkansas | Local phone company | 2001 |
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.