870 area code — Jonesboro, AR geographic

Data: NANPA public reports, current as of July 28, 2026.

870 is the area code for Jonesboro, Arkansas, in service since April 14, 1997, Central time. The same territory is also served by its overlay code (327/870 complex). Keep in mind the code identifies where the number was registered; the person calling may be elsewhere.

The code currently holds 785 working prefixes, held by 58 different carriers. Of these, 594 are pooled prefixes shared by multiple carriers. Numbers are anchored to 245 rate centers — billing localities that fix where each prefix belongs.

Use this page to decode where 870 numbers come from — and remember that spoofing means the screen can lie about everything except your own caution.

Worth noting: 870 is covers more rate centers (245) than any other Arkansas area code.

Local calls inside 870 are dialed 10D; 1+10 digit dialing for all calls permissible at service provider discretion..

The current NANPA exhaust forecast for the 327/870 complex is 3Q 2057.

The code was carved out of 501 (1997). As demand grew it in turn gave rise to 327 (2024).

Largest localities in 870

FAQ

Why do 327 and 870 cover the same place?

They are overlays: when a code runs low on numbers, a new code is added over the same territory instead of splitting it. The 327/870 complex shares one service area, and local calls are dialed with 10 digits.

Will 870 run out of numbers?

NANPA's current forecast projects exhaust in 3Q 2057 — decades of capacity remain.

Why am I getting spam calls from 870 numbers?

Scammers spoof recognizable area codes so calls look local or familiar. A displayed 870 number does not prove the call originated there — see our guide to spotting spoofed calls.

Where is a 870 number from?

870 is assigned to Jonesboro and surrounding areas of Arkansas in the Central time zone. The three digits after the area code (the prefix) narrow it down to a rate center.

Is 870 a toll-free number?

No. 870 is a geographic code; calls are billed like any other domestic call. Toll-free codes are 800, 833, 844, 855, 866, 877 and 888.