Get a local business phone number in Mount Vernon, AL

What area code is Mount Vernon, AL?

Mount Vernon, in Mobile County, Alabama, had a Census-estimated population of 1,366 in July 2024. All 7 exchanges NANPA lists for its rate center are in area code 251. Mount Vernon is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 251 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Mount Vernon phone exchanges

7 carriers hold the 7 exchanges assigned to Mount Vernon's rate center. AT&T Enterprises, LLC has the most, with 1. 7 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 Mount Vernon

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Mount Vernon's rate center (MT VERNON). The earliest assignment date recorded in the file for these codes is 2010. 3 of the 7 were assigned in 2020 or later.

When Mount Vernon's exchanges were assigned

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

Rate centers and local calling in Mount Vernon

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

Keeping an existing Mount Vernon number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 251 when you pick it.

Who does business near Mount Vernon

Mount Vernon is part of the Mobile, AL metro area, home to 412,000 people in 2024. County Business Patterns counted 8,960 business establishments in the Mobile, AL metro area in 2023, employing 157,810 people. The largest sectors by establishment count are retail trade (1,468), other services (except public administration) (960), and health care and social assistance (863).

Setting up a Mount Vernon 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 Mount Vernon, 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 18 users, the rounded average establishment size in the Mobile, AL metro area. At list prices checked September 28, 2026, that is $449.10 a month on Ooma Office Pro and $540.00 on RingCentral RingEX Core. On Callata the same 18 people cost $359.00 a month, less than either per-seat plan.