Get a local business phone number in Indianapolis city, IN

Area codes in Indianapolis city

Indianapolis city, in Marion County, Indiana, had a Census-estimated population of 891,484 in July 2024. NANPA lists 574 exchanges for its rate center across 3 area codes; 317 has the most (509, 89%). 317 is part of an overlay with 463, so a new local number in Indianapolis city may carry any of those codes depending on which have numbers available. Indianapolis city is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 317 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Phone carriers in Indianapolis city

40 carriers hold the 574 exchanges assigned to Indianapolis city's rate center. Indiana Bell Tel CO INC has the most, with 209. 355 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Indianapolis city can come from any of these blocks; once it is yours, porting lets it move between providers.

Exchanges (NPA-NXX) assigned in Indianapolis city

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Indianapolis city's rate center (INDIANAPLS). The earliest assignment date recorded in the file for these codes is 2001. 52 of the 574 were assigned in 2020 or later.

When Indianapolis city's exchanges were assigned

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

How local numbers work in Indianapolis city

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

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

The local business market

Indianapolis city is part of the Indianapolis-Carmel-Greenwood, IN metro area, home to 2.2 million people in 2024. County Business Patterns counted 51,076 business establishments in the Indianapolis, IN metro area in 2023, employing 982,448 people. The largest sectors by establishment count are health care and social assistance (6,448), retail trade (5,880), and professional, scientific, and technical services (5,803).

Business phone service in Indianapolis city

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 Indianapolis city, 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.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Indianapolis, IN metro area, 19 users on RingCentral RingEX Core come to $570.00 a month and on Ooma Office Pro $474.05, at month-to-month list prices checked September 28, 2026. On Callata the same 19 people cost $379.00 a month, less than either per-seat plan.