CallataGuides

Get a local business phone number in Mentor, OH

Mentor's area code, prefixes and carriers from NANPA records, and how to put a Mentor number in front of your customers.

Area code
440
Exchanges
14NANPA-assigned
Carriers
5
Population
47,113Census 2024 est.

What area code is Mentor, OH?

Mentor city is a Census place in Lake County, Ohio, with an estimated 47,113 residents in 2024. All 14 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 Mentor may carry any of those codes depending on which have numbers available. Mentor 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.

Area codes with exchanges in Mentor, OH
Area codeExchanges hereShareIn service sinceOverlay withTime zone
44014100%1997436Eastern

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Phone carriers in Mentor

5 carriers hold the 14 exchanges assigned to Mentor's rate center. Ohio Bell Tel CO has the most, with 6. 10 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.

Carriers holding exchanges in Mentor, OH
Carrier (NANPA operating company)ExchangesShare
Ohio Bell Tel CO643%
Level 3 Communications, LLC - Oh429%
Mcimetro Access Transmission Services LLC - Oh214%
Teleport Communications America, LLC - Oh17.1%
Onvoy Spectrum, LLC17.1%

Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.

Local prefixes for Mentor

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Mentor's rate center (MENTOR). The earliest assignment date recorded in the file for these codes is 2021. 1 of the 14 were assigned in 2020 or later.

Prefixes assigned in Mentor, OH
Area codePrefixes (NXX)
440205, 209, 255, 257, 266, 290, 299, 368, 445, 534, 578, 701, 890, 974

Source: NANPA utilized central office code file.

Rate centers and local calling in Mentor

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

New local numbers are drawn from carrier inventory, so the exact 440 numbers available change over time; porting an existing number is free.

Businesses around Mentor

Mentor 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).

Selected industries in the Cleveland, OH metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants1,99033,53016.8
Full-service restaurants1,57135,22722.4
Physician practices1,017——
Law offices1,0148,5428.4
Landscaping services1,0004,9985.0
Insurance agencies and brokerages8655,6426.5
Dental offices8336,6157.9
Residential remodelers7082,5063.5

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

Setting up a Mentor business line

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 Mentor 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 Cleveland, OH metro area, 19 users on RingCentral RingEX Core come to $570.00 a month and on Ooma Office Pro $474.05, at month-to-month list prices checked September 28, 2026. Callata comes to $379.00 a month for 19 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 19-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$379.00$4,548.00
Quo (Starter)$19.00 per user$361.00$4,332.00
Nextiva (Core)$23.00 per user$437.00$5,244.00
Ooma (Office Pro)$24.95 per user$474.05$5,688.60
Dialpad (Standard)$27.00 per user$513.00$6,156.00
RingCentral (RingEX Core)$30.00 per user$570.00$6,840.00

Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.

Frequently asked questions

What area code is Mentor, OH?

440. All exchanges NANPA lists for Mentor are in 440.

How many phone companies have exchanges in Mentor?

5, holding 14 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Mentor business number?

Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.

How much is a business phone line in Mentor?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 19 users come to $379.00 a month. For comparison, 19 users on RingCentral RingEX Core list at $570.00 a month (checked September 28, 2026).