Get a local business phone number in Middletown, OH

What area code is Middletown, OH?

Middletown city is a Census place in Butler County, Ohio, with an estimated 52,291 residents in 2024. NANPA lists 40 exchanges for its rate center across 2 area codes; 513 has the most (38, 95%). 513 is part of an overlay with 283, so a new local number in Middletown may carry any of those codes depending on which have numbers available. Middletown is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 513 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Phone carriers in Middletown

13 carriers hold the 40 exchanges assigned to Middletown's rate center. Ohio Bell Tel CO has the most, with 8. 30 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Middletown can come from any of these blocks; once it is yours, porting lets it move between providers.

Local prefixes for Middletown

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Middletown's rate center (MIDDLETOWN). The earliest assignment date recorded in the file for these codes is 2001. 8 of the 40 were assigned in 2020 or later.

When Middletown's exchanges were assigned

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

Rate centers and local calling in Middletown

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

Keeping an existing Middletown number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 513 when you pick it.

Businesses around Middletown

Middletown is part of the Cincinnati, OH-KY-IN metro area, home to 2.3 million people in 2024. County Business Patterns counted 48,255 business establishments in the Cincinnati, OH-KY-IN metro area in 2023, employing 1,030,698 people. The largest sectors by establishment count are retail trade (6,169), health care and social assistance (5,605), and accommodation and food services (4,958).

Setting up a Middletown business line

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.

Porting a number you already use in Middletown 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.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Cincinnati, OH-KY-IN metro area, 21 users on RingCentral RingEX Core come to $630.00 a month and on Ooma Office Pro $523.95, at month-to-month list prices checked September 28, 2026. Callata comes to $419.00 a month for 21 users ($99 a month with 5 users included, then $20 per additional user), below both.