Phone numbers in Warren, Arkansas
Warren has 5 phone prefixes in area code 870.
Biggest holders: AT&T Mobility, AT&T (local phone), Airecast. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 60%
- Local phone company 20%
- Phone company 20%
Every prefix in Warren
Search the first six digits of a number in this list. If it's here, the number started in Warren with the carrier shown. If it isn't, check the Arkansas page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 870-226 | AT&T (local phone) | Local phone company | – |
| 870-466 | AT&T Mobility | Mobile carrier | 2003 |
| 870-820 | AT&T Mobility | Mobile carrier | 2002 |
| 870-920 | Airecast | Phone company | 2013 |
| 870-952 | 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.