Phone numbers in Arkadelphia, Arkansas
Arkadelphia has 13 phone prefixes in area code 870.
Biggest holders: AT&T (local phone), AT&T Mobility, Verizon Wireless. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 31%
- Local phone company 38%
- Internet / business phone carrier 23%
- Phone company 8%
Every prefix in Arkadelphia
Search the first six digits of a number in this list. If it's here, the number started in Arkadelphia with the carrier shown. If it isn't, check the Arkansas page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 870-210 | AT&T Mobility | Mobile carrier | 2001 |
| 870-230 | AT&T (local phone) | Local phone company | – |
| 870-245 | AT&T (local phone) | Local phone company | – |
| 870-246 | AT&T (local phone) | Local phone company | – |
| 870-260 | Verizon Wireless | Mobile carrier | 2002 |
| 870-293 | MetroPCS (T-Mobile) | Mobile carrier | 2002 |
| 870-345 | Bandwidth | Internet / business phone carrier | – |
| 870-403 | AT&T (local phone) | Local phone company | – |
| 870-464 | AT&T (local phone) | Local phone company | – |
| 870-568 | Level 3 (Lumen) | Internet / business phone carrier | 2001 |
| 870-617 | AT&T Enterprises | Phone company | 2009 |
| 870-868 | T-Mobile (including Sprint) | Mobile carrier | 2002 |
| 870-908 | Commio | Internet / business phone carrier | 2022 |
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.