Get a local business phone number in Mason City, IL

Area codes in Mason City

With 2,231 residents in the Census 2024 estimate, Mason City sits in Mason County, Illinois. NANPA lists 3 exchanges for its rate center across 2 area codes; 217 has the most (2, 67%). 217 is part of an overlay with 447, so a new local number in Mason City may carry any of those codes depending on which have numbers available. Mason City 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 Mason City phone exchanges

3 carriers hold the 3 exchanges assigned to Mason City's rate center. Level 3 Communications, LLC - Il has the most, with 1. 2 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Mason City can come from any of these blocks; once it is yours, porting lets it move between providers.

Local prefixes for Mason City

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Mason City's rate center (MASON CITY). The earliest assignment date recorded in the file for these codes is 2003. 1 of the 3 were assigned in 2020 or later.

When Mason City's exchanges were assigned

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

Rate centers and local calling in Mason City

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Mason City's numbers are rated to the MASON CITY rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Mason City number.

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

Who does business near Mason City

Mason City is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 322,415 business establishments in Illinois in 2023, employing 5,661,761 people. The largest sectors by establishment count are professional, scientific, and technical services (37,946), health care and social assistance (37,597), and retail trade (35,801).

A Mason City 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 Mason 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.

An 18-person team is the benchmark here, the rounded average establishment size in Illinois. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $540.00 a month and Ooma Office Pro $449.10. On Callata the same 18 people cost $359.00 a month, less than either per-seat plan.