Get a local business phone number in Montgomery, IN

What area code is Montgomery, IN?

Montgomery, in Gibson County, Indiana, had a Census-estimated population of 4,036 in July 2024. All 3 exchanges NANPA lists for its rate center are in area code 812. 812 is part of an overlay with 930, so a new local number in Montgomery may carry any of those codes depending on which have numbers available. Montgomery is in the Eastern and Central time zone.

According to NANPA's dialing-plan data, local calls within 812 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Montgomery phone exchanges

2 carriers hold the 3 exchanges assigned to Montgomery's rate center. Daviess Martin CTY Rurl Tel d/b/a RTC Communications has the most, with 2. 3 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 Montgomery

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Montgomery's rate center (MONTGOMERY). The earliest assignment date recorded in the file for these codes is 2004. None were assigned in 2020 or later.

Rate centers and local calling in Montgomery

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

Keeping an existing Montgomery number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 812 when you pick it.

Who does business near Montgomery

Montgomery is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 155,692 business establishments in Indiana in 2023, employing 2,924,989 people. The largest sectors by establishment count are retail trade (21,015), health care and social assistance (19,159), and other services (except public administration) (17,107).

Setting up a Montgomery business line

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 Montgomery, 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.

A 19-person team is the benchmark here, the rounded average establishment size in Indiana. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $570.00 a month and Ooma Office Pro $474.05. On Callata the same 19 people cost $379.00 a month, less than either per-seat plan.