Get a local business phone number in Vandalia, MO

What area code is Vandalia, MO?

Vandalia, in Audrain County, Missouri, had a Census-estimated population of 2,939 in July 2024. All 3 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 Vandalia may carry any of those codes depending on which have numbers available. Vandalia 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.

Who holds Vandalia phone exchanges

2 carriers hold the 3 exchanges assigned to Vandalia's rate center. Windstream Missouri, INC. has the most, with 2. 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 Vandalia

These are the central office codes NANPA records for Vandalia. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2006. None were assigned in 2020 or later.

When Vandalia's exchanges were assigned

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

What makes a number local to Vandalia

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

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

Businesses around Vandalia

Vandalia 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).

A Vandalia number on Callata

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

If you already have a number in Vandalia, 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 13 users, the rounded average establishment size in the Mexico, MO micropolitan area. At list prices checked September 28, 2026, that is $324.35 a month on Ooma Office Pro and $390.00 on RingCentral RingEX Core. On Callata the same 13 people cost $259.00 a month, less than either per-seat plan.