Get a local business phone number in Troy, TN

What area code is Troy, TN?

Troy town is a Census place in Obion County, Tennessee, with an estimated 1,407 residents in 2024. All 3 exchanges NANPA lists for its rate center are in area code 731. Troy 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 Troy phone exchanges

3 carriers hold the 3 exchanges assigned to Troy's rate center. Onvoy, LLC - TN has the most, with 1. 2 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Troy phone prefixes

These are the central office codes NANPA records for Troy. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2004. None were assigned in 2020 or later.

When Troy's exchanges were assigned

The table groups Troy's exchanges by the decade NANPA recorded them as assigned.

How local numbers work in Troy

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

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

Who does business near Troy

Troy 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 Troy business line

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

Porting a number you already use in Troy is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Union City, TN micropolitan area, 14 users on RingCentral RingEX Core come to $420.00 a month and on Ooma Office Pro $349.30, at month-to-month list prices checked September 28, 2026. Callata comes to $279.00 a month for 14 users ($99 a month with 5 users included, then $20 per additional user), below both.