Get a local business phone number in Red Oak, IA

Red Oak area codes

Red Oak city is a Census place in Montgomery County, Iowa, with an estimated 5,420 residents in 2024. All 7 exchanges NANPA lists for its rate center are in area code 712. Red Oak is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 712 are dialed as seven digits and toll calls as 1 plus ten digits.

Red Oak exchanges by carrier

6 carriers hold the 7 exchanges assigned to Red Oak's rate center. Cellco Partnership d/b/a Verizon Wireless - Ia has the most, with 2. 6 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.

Red Oak phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Red Oak's rate center (RED OAK). The earliest assignment date recorded in the file for these codes is 2010. 1 of the 7 were assigned in 2020 or later.

When Red Oak's exchanges were assigned

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

What makes a number local to Red Oak

NANPA ties every exchange to a rate center. For Red Oak that is RED OAK, so a number from one of these exchanges reads as local to people in and around Red Oak.

If your business already has a Red Oak number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

Businesses around Red Oak

Red Oak is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 83,321 business establishments in Iowa in 2023, employing 1,415,652 people. The largest sectors by establishment count are retail trade (10,970), other services (except public administration) (9,184), and health care and social assistance (9,092).

A Red Oak 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 Red Oak, 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 17 users, the rounded average establishment size in Iowa. At list prices checked September 28, 2026, that is $424.15 a month on Ooma Office Pro and $510.00 on RingCentral RingEX Core. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.