Get a local business phone number in Mattoon, IL

What area code is Mattoon, IL?

Mattoon, in Coles County, Illinois, had a Census-estimated population of 16,602 in July 2024. NANPA lists 39 exchanges for its rate center across 2 area codes; 217 has the most (24, 62%). 217 is part of an overlay with 447, so a new local number in Mattoon may carry any of those codes depending on which have numbers available. Mattoon is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 217 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Mattoon phone exchanges

17 carriers hold the 39 exchanges assigned to Mattoon's rate center. New Cingular Wireless PCS, LLC - Il has the most, with 11. 26 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 Mattoon

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Mattoon. The earliest assignment date recorded in the file for these codes is 2005. 19 of the 39 were assigned in 2020 or later.

When Mattoon's exchanges were assigned

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

What makes a number local to Mattoon

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

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

Businesses around Mattoon

Mattoon is part of the Charleston-Mattoon, IL micropolitan area, home to 46,423 people in 2024. County Business Patterns counted 1,112 business establishments in the Charleston, IL micropolitan area in 2023, employing 20,638 people. The largest sectors by establishment count are retail trade (177), health care and social assistance (160), and other services (except public administration) (130).

A Mattoon number on Callata

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.

If you already have a number in Mattoon, 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 the Charleston, IL micropolitan area. 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.