Get a local business phone number in Union City, TN

Area codes in Union City

With 10,876 residents in the Census 2024 estimate, Union City sits in Obion County, Tennessee. All 14 exchanges NANPA lists for its rate center are in area code 731. Union City is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 731 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Union City phone exchanges

8 carriers hold the 14 exchanges assigned to Union City's rate center. New Cingular Wireless PCS, LLC - Ga has the most, with 3. 9 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Union City can come from any of these blocks; once it is yours, porting lets it move between providers.

Local prefixes for Union City

These are the central office codes NANPA records for Union City. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2002. None were assigned in 2020 or later.

When Union City's exchanges were assigned

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

How local numbers work in Union City

NANPA ties every exchange to a rate center. For Union City that is UNION CITY, so a number from one of these exchanges reads as local to people in and around Union City.

Keeping an existing Union City number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 731 when you pick it.

The local business market

Union City is part of the Union City, TN micropolitan area, home to 30,261 people in 2024. County Business Patterns counted 630 business establishments in the Union City, TN micropolitan area in 2023, employing 8,963 people. The largest sectors by establishment count are retail trade (124), health care and social assistance (72), and other services (except public administration) (72).

Setting up a Union City business line

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

If you already have a number in Union City, 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 14 users, the rounded average establishment size in the Union City, TN micropolitan area. At list prices checked September 28, 2026, that is $349.30 a month on Ooma Office Pro and $420.00 on RingCentral RingEX Core. On Callata the same 14 people cost $279.00 a month, less than either per-seat plan.