Get a local business phone number in Gates Mills, OH
Gates Mills's area code, prefixes and carriers from NANPA records, and how to put a Gates Mills number in front of your customers.
- Area code
- 440
- Exchanges
- 8NANPA-assigned
- Carriers
- 6
- Population
- 2,250Census 2024 est.
Gates Mills area codes
Gates Mills village is a Census place in Cuyahoga County, Ohio, with an estimated 2,250 residents in 2024. All 8 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 Gates Mills may carry any of those codes depending on which have numbers available. Gates Mills 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 code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 440 | 8 | 100% | 1997 | 436 | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Gates Mills
6 carriers hold the 8 exchanges assigned to Gates Mills's rate center. Level 3 Communications, LLC - Oh has the most, with 2. 8 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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Level 3 Communications, LLC - Oh | 2 | 25% |
| Mcimetro Access Transmission Services LLC - Oh | 2 | 25% |
| Ohio Bell Tel CO | 1 | 13% |
| Onvoy, LLC - Oh | 1 | 13% |
| T-mobile USA, INC. | 1 | 13% |
| Teleport Communications America, LLC - Oh | 1 | 13% |
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.
Exchanges (NPA-NXX) assigned in Gates Mills
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Gates Mills's rate center (GATESMILLS). The earliest assignment date recorded in the file for these codes is 2002. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 440 | 389, 423, 435, 448, 533, 745, 815, 940 |
Source: NANPA utilized central office code file.
What makes a number local to Gates Mills
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Gates Mills's numbers are rated to the GATESMILLS rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Gates Mills number.
If your business already has a Gates Mills number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Businesses around Gates Mills
Gates Mills 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).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 1,990 | 33,530 | 16.8 |
| Full-service restaurants | 1,571 | 35,227 | 22.4 |
| Physician practices | 1,017 | — | — |
| Law offices | 1,014 | 8,542 | 8.4 |
| Landscaping services | 1,000 | 4,998 | 5.0 |
| Insurance agencies and brokerages | 865 | 5,642 | 6.5 |
| Dental offices | 833 | 6,615 | 7.9 |
| Residential remodelers | 708 | 2,506 | 3.5 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Gates Mills
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 Gates Mills, 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.
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. On Callata the same 19 people cost $379.00 a month, less than either per-seat plan.
| Provider (plan) | Pricing basis | Per month | Per 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 Gates Mills, OH?
440. All exchanges NANPA lists for Gates Mills are in 440.
How many phone companies have exchanges in Gates Mills?
6, holding 8 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Gates Mills 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 Gates Mills?
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).