CallataGuidesGet a local business phone number in Plymouth, MI
Plymouth's area code, prefixes and carriers from NANPA records, and how to put a Plymouth number in front of your customers.
- Area code
- 734
- Exchanges
- 44NANPA-assigned
- Carriers
- 13
- Population
- 27,191Census 2024 est.
What area code is Plymouth, MI?
With 27,191 residents in the Census 2024 estimate, Plymouth sits in Wayne County, Michigan. All 44 exchanges NANPA lists for its rate center are in area code 734. 734 is part of an overlay with 679, so a new local number in Plymouth may carry any of those codes depending on which have numbers available. Plymouth is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 734 are dialed as seven digits and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 734 | 44 | 100% | 1997 | 679 | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Plymouth
13 carriers hold the 44 exchanges assigned to Plymouth's rate center. Michigan Bell Tel CO has the most, with 17. 33 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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Michigan Bell Tel CO | 17 | 39% |
| Teleport Communications America, LLC - Mi | 4 | 9.1% |
| Mcimetro Access Transmission Services LLC - Mi | 4 | 9.1% |
| New Cingular Wireless PCS, LLC - Il | 3 | 6.8% |
| Level 3 Communications, LLC - Mi | 3 | 6.8% |
| Omnipoint Communications Midwest Operations, LLC | 3 | 6.8% |
| Comcast Ip Phone, LLC | 2 | 4.5% |
| Paetec Itel, LLC | 2 | 4.5% |
| Onvoy, Llcv - Mi | 2 | 4.5% |
| American Messaging Services, LLC | 1 | 2.3% |
| Bandwidth.com CLEC, LLC - Mi | 1 | 2.3% |
| Cellco Partnership d/b/a Verizon Wireless - Mi | 1 | 2.3% |
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 Plymouth
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Plymouth. The earliest assignment date recorded in the file for these codes is 2001. 3 of the 44 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 734 | 207, 228, 233, 254, 259, 335, 354, 357, 359, 386, 392, 404, 414, 416, 420, 446, 451, 453, 454, 455, 456, 459, 463, 468, 564, 566, 582, 617, 637, 656, 667, 737, 738, 781, 844, 862, 891, 892, 927, 928, 979, 981, 983, 987 |
Source: NANPA utilized central office code file.
When Plymouth's exchanges were assigned
The table groups Plymouth's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 4 | 40% |
| 2010s | 3 | 30% |
| 2020s | 3 | 30% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Plymouth
What a caller sees as "local" is the area code plus prefix. In Plymouth, those come from the PLYMOUTH rate center, as recorded by NANPA.
If your business already has a Plymouth number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Who does business near Plymouth
Plymouth is part of the Detroit-Warren-Dearborn, MI metro area, home to 4.4 million people in 2024. County Business Patterns counted 102,430 business establishments in the Detroit, MI metro area in 2023, employing 1,846,717 people. The largest sectors by establishment count are retail trade (14,016), health care and social assistance (13,890), and professional, scientific, and technical services (11,783).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 3,764 | 63,821 | 17.0 |
| Physician practices | 3,622 | 45,657 | 12.6 |
| Full-service restaurants | 3,191 | 65,669 | 20.6 |
| Law offices | 2,130 | 15,565 | 7.3 |
| Dental offices | 1,921 | 16,127 | 8.4 |
| Landscaping services | 1,711 | 8,261 | 4.8 |
| Residential remodelers | 1,621 | 5,924 | 3.7 |
| Insurance agencies and brokerages | 1,520 | 11,569 | 7.6 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Plymouth
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 Plymouth 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.
An 18-person team is the benchmark here, the rounded average establishment size in the Detroit, MI metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $540.00 a month and Ooma Office Pro $449.10. Callata comes to $359.00 a month for 18 users ($99 a month with 5 users included, then $20 per additional user), below both.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $359.00 | $4,308.00 |
| Quo (Starter) | $19.00 per user | $342.00 | $4,104.00 |
| Nextiva (Core) | $23.00 per user | $414.00 | $4,968.00 |
| Ooma (Office Pro) | $24.95 per user | $449.10 | $5,389.20 |
| Dialpad (Standard) | $27.00 per user | $486.00 | $5,832.00 |
| RingCentral (RingEX Core) | $30.00 per user | $540.00 | $6,480.00 |
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 Plymouth, MI?
734. All exchanges NANPA lists for Plymouth are in 734.
How many phone companies have exchanges in Plymouth?
13, holding 44 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Plymouth 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 Plymouth?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 18 users come to $359.00 a month. For comparison, 18 users on RingCentral RingEX Core list at $540.00 a month (checked September 28, 2026).