Get a local business phone number in Madisonville, TN

Area codes in Madisonville

Madisonville, in Monroe County, Tennessee, had a Census-estimated population of 5,395 in July 2024. All 8 exchanges NANPA lists for its rate center are in area code 423. 423 is part of an overlay with 729, so a new local number in Madisonville may carry any of those codes depending on which have numbers available. Madisonville is in the Eastern and Central time zone.

According to NANPA's dialing-plan data, local calls within 423 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Madisonville phone exchanges

5 carriers hold the 8 exchanges assigned to Madisonville's rate center. New Cingular Wireless PCS, LLC - Ga has the most, with 2. 7 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Madisonville can come from any of these blocks; once it is yours, porting lets it move between providers.

Local prefixes for Madisonville

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Madisonville. The earliest assignment date recorded in the file for these codes is 2002. None were assigned in 2020 or later.

How local numbers work in Madisonville

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

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

The local business market

Madisonville is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 150,129 business establishments in Tennessee in 2023, employing 2,971,417 people. The largest sectors by establishment count are retail trade (23,463), health care and social assistance (17,524), and other services (except public administration) (15,554).

Setting up a Madisonville 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 Madisonville, 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 20 users, the rounded average establishment size in Tennessee. At list prices checked September 28, 2026, that is $499.00 a month on Ooma Office Pro and $600.00 on RingCentral RingEX Core. On Callata the same 20 people cost $399.00 a month, less than either per-seat plan.