Get a local business phone number in Madison, OH

Madison area codes

Madison township is a Census town in Franklin County, Ohio, with an estimated 26,734 residents in 2024. All 6 exchanges NANPA lists for its rate center are in area code 440. 440 is part of an overlay with 436, so a new local number in Madison may carry any of those codes depending on which have numbers available. Madison is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 440 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Madison phone exchanges

4 carriers hold the 6 exchanges assigned to Madison's rate center. Windstream Western Reserve, INC. has the most, with 3. 5 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.

Madison phone prefixes

These are the central office codes NANPA records for Madison. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2002. 2 of the 6 were assigned in 2020 or later.

When Madison's exchanges were assigned

The table groups Madison's exchanges by the decade NANPA recorded them as assigned.

Rate centers and local calling in Madison

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

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

Businesses around Madison

Madison is part of the Columbus, OH metro area, home to 2.2 million people in 2024. County Business Patterns counted 46,419 business establishments in the Columbus, OH metro area in 2023, employing 985,064 people. The largest sectors by establishment count are health care and social assistance (6,208), retail trade (5,594), and professional, scientific, and technical services (5,419).

Setting up a Madison 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.

Porting a number you already use in Madison is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

The comparison below uses 21 users, the rounded average establishment size in the Columbus, OH metro area. At list prices checked September 28, 2026, that is $523.95 a month on Ooma Office Pro and $630.00 on RingCentral RingEX Core. Callata comes to $419.00 a month for 21 users ($99 a month with 5 users included, then $20 per additional user), below both.