Get a local business phone number in Warren, AR

Warren area codes

Warren city is a Census place in Bradley County, Arkansas, with an estimated 5,196 residents in 2024. All 5 exchanges NANPA lists for its rate center are in area code 870. 870 is part of an overlay with 327, so a new local number in Warren may carry any of those codes depending on which have numbers available. Warren is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 870 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Warren exchanges by carrier

4 carriers hold the 5 exchanges assigned to Warren's rate center. New Cingular Wireless PCS, LLC - Il has the most, with 2. 5 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Warren phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Warren's rate center (WARREN). The earliest assignment date recorded in the file for these codes is 2002. None were assigned in 2020 or later.

When Warren's exchanges were assigned

Assignment dates show when each block of Warren numbers was added to the local supply.

What makes a number local to Warren

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Warren's numbers are rated to the WARREN rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Warren number.

New local numbers are drawn from carrier inventory, so the exact 870 numbers available change over time; porting an existing number is free.

Businesses around Warren

Warren is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 70,452 business establishments in Arkansas in 2023, employing 1,120,356 people. The largest sectors by establishment count are retail trade (10,566), health care and social assistance (9,072), and other services (except public administration) (7,041).

A Warren number on Callata

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

If you already have a number in Warren, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

The comparison below uses 16 users, the rounded average establishment size in Arkansas. At list prices checked September 28, 2026, that is $399.20 a month on Ooma Office Pro and $480.00 on RingCentral RingEX Core. On Callata the same 16 people cost $319.00 a month, less than either per-seat plan.