Get a local business phone number in Mexico, MO

What area code is Mexico, MO?

Mexico, in Audrain County, Missouri, had a Census-estimated population of 11,482 in July 2024. All 10 exchanges NANPA lists for its rate center are in area code 573. 573 is part of an overlay with 235, so a new local number in Mexico may carry any of those codes depending on which have numbers available. Mexico is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 573 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Phone carriers in Mexico

8 carriers hold the 10 exchanges assigned to Mexico's rate center. Southwestern Bell has the most, with 3. 9 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.

Local prefixes for Mexico

These are the central office codes NANPA records for Mexico. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 2 of the 10 were assigned in 2020 or later.

When Mexico's exchanges were assigned

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

How local numbers work in Mexico

What a caller sees as "local" is the area code plus prefix. In Mexico, those come from the MEXICO rate center, as recorded by NANPA.

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

Who does business near Mexico

Mexico is part of the Mexico, MO micropolitan area, home to 24,304 people in 2024. County Business Patterns counted 470 business establishments in the Mexico, MO micropolitan area in 2023, employing 6,259 people. The largest sectors by establishment count are retail trade (86), other services (except public administration) (62), and health care and social assistance (53).

Business phone service in Mexico

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.

Porting a number you already use in Mexico 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 Mexico, MO micropolitan area, 13 users on RingCentral RingEX Core come to $390.00 a month and on Ooma Office Pro $324.35, at month-to-month list prices checked September 28, 2026. Callata comes to $259.00 a month for 13 users ($99 a month with 5 users included, then $20 per additional user), below both.