Get a local business phone number in Monterey, TN

What area code is Monterey, TN?

With 2,796 residents in the Census 2024 estimate, Monterey sits in Putnam County, Tennessee. All 4 exchanges NANPA lists for its rate center are in area code 931. Monterey is in the Eastern and Central time zone.

According to NANPA's dialing-plan data, local calls within 931 are dialed as seven digits and toll calls as 1 plus ten digits.

Who holds Monterey phone exchanges

4 carriers hold the 4 exchanges assigned to Monterey's rate center. New Cingular Wireless PCS, LLC - Ga has the most, with 1. 3 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.

Local prefixes for Monterey

These are the central office codes NANPA records for Monterey. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2004. 1 of the 4 were assigned in 2020 or later.

When Monterey's exchanges were assigned

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

Rate centers and local calling in Monterey

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

New local numbers are drawn from carrier inventory, so the exact 931 numbers available change over time; porting an existing number is free.

Who does business near Monterey

Monterey is part of the Cookeville, TN micropolitan area, home to 150,000 people in 2024. County Business Patterns counted 2,900 business establishments in the Cookeville, TN micropolitan area in 2023, employing 45,616 people. The largest sectors by establishment count are retail trade (538), health care and social assistance (358), and accommodation and food services (314).

Setting up a Monterey 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.

If you already have a number in Monterey, 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 the Cookeville, TN micropolitan area. 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.