Area code 870: where it is and who calls from it
Area code 870 is in Arkansas.
Arkansas (Texarkana, Jonesboro, Pine Bluff, and southern, eastern, and northeastern Arkansas)
| Where | Arkansas |
|---|---|
| Time zone | Central Time ยท local time |
| In service since | 1997 |
| Overlay | Yes, with 327 |
| Prefixes assigned | 785 of 792 possible (99%) |
Overlay: 870 covers the same area as 327. Overlay areas use 10-digit dialing, so a seven-digit number alone won't connect, and neighbors can have different area codes.
Where 870 numbers started
Every prefix is assigned to a rate center, the local calling area it was set up in. These are the biggest in 870, with how many prefixes each has.
Plus 184 smaller rate centers.
Who holds 870 numbers
- Mobile carrier 28%
- Local phone company 43%
- Internet / business phone carrier 17%
- Phone company 12%
| Carrier | Type | Prefixes | Share |
|---|---|---|---|
| AT&T (local phone) | Local phone company | 155 | 20% |
| AT&T Mobility | Mobile carrier | 107 | 14% |
| Verizon Wireless | Mobile carrier | 85 | 11% |
| Windstream Arkansas | Local phone company | 72 | 9% |
| Level 3 (Lumen) | Internet / business phone carrier | 47 | 6% |
| Brightspeed Of Central Arkansas | Local phone company | 44 | 6% |
| Onvoy | Internet / business phone carrier | 26 | 3% |
| E. Ritter Communications | Phone company | 22 | 3% |
| Csc Voice | Internet / business phone carrier | 21 | 3% |
| T-Mobile (including Sprint) | Mobile carrier | 18 | 2% |
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.
States served: Arkansas.
Other area codes in Arkansas
Got a call from 870?
An area code tells you where a number was first assigned, not where the caller is. People keep their numbers when they move, and scammers can fake any number. If you weren't expecting the call, let it go to voicemail.
If the call shows a 870 number that matches the first six digits of your own, that's often neighbor spoofing. Use the box above to check the full number.
Area code facts from the NANPA area code database (updated 10/06/2026); prefixes and carriers from NANPA's central office code records (updated 2026-10-10). Place description adapted from Wikipedia, CC BY-SA 4.0.