Get a local business phone number in Middlefield, OH

Middlefield area codes

Middlefield, in Geauga County, Ohio, had a Census-estimated population of 4,522 in July 2024. All 4 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 Middlefield may carry any of those codes depending on which have numbers available. Middlefield 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 Middlefield phone exchanges

4 carriers hold the 4 exchanges assigned to Middlefield's rate center. Level 3 Communications, LLC - Oh has the most, with 1. 4 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.

Middlefield phone prefixes

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Middlefield. The earliest assignment date recorded in the file for these codes is 2013. 2 of the 4 were assigned in 2020 or later.

When Middlefield's exchanges were assigned

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

What makes a number local to Middlefield

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

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

The local business market

Middlefield is part of the Cleveland, OH metro area, home to 2.2 million people in 2024. County Business Patterns counted 51,450 business establishments in the Cleveland, OH metro area in 2023, employing 971,092 people. The largest sectors by establishment count are retail trade (6,468), health care and social assistance (5,962), and professional, scientific, and technical services (5,538).

A Middlefield number on Callata

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

Porting a number you already use in Middlefield 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 19 users, the rounded average establishment size in the Cleveland, OH metro area. At list prices checked September 28, 2026, that is $474.05 a month on Ooma Office Pro and $570.00 on RingCentral RingEX Core. Callata comes to $379.00 a month for 19 users ($99 a month with 5 users included, then $20 per additional user), below both.