CallataGuidesGet a local business phone number in Flat Rock, MI
Flat Rock's area code, prefixes and carriers from NANPA records, and how to put a Flat Rock number in front of your customers.
- Area code
- 734
- Exchanges
- 16NANPA-assigned
- Carriers
- 10
- Population
- 10,249Census 2024 est.
Flat Rock area codes
Flat Rock city is a Census place in Wayne County, Michigan, with an estimated 10,249 residents in 2024. All 16 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 Flat Rock may carry any of those codes depending on which have numbers available. Flat Rock 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 | 16 | 100% | 1997 | 679 | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Flat Rock
10 carriers hold the 16 exchanges assigned to Flat Rock's rate center. New Cingular Wireless PCS, LLC - Il has the most, with 3. 9 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 |
|---|---|---|
| New Cingular Wireless PCS, LLC - Il | 3 | 19% |
| Michigan Bell Tel CO | 3 | 19% |
| American Messaging Services, LLC | 2 | 13% |
| Mcimetro Access Transmission Services LLC - Mi | 2 | 13% |
| Level 3 Communications, LLC - Mi | 1 | 6.3% |
| Paetec Itel, LLC | 1 | 6.3% |
| 123.net, LLC | 1 | 6.3% |
| Omnipoint Communications Midwest Operations, LLC | 1 | 6.3% |
| Bandwidth.com CLEC, LLC - Mi | 1 | 6.3% |
| Teleport Communications America, LLC - Mi | 1 | 6.3% |
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.
Exchanges (NPA-NXX) assigned in Flat Rock
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Flat Rock's rate center (FLAT ROCK). The earliest assignment date recorded in the file for these codes is 2019. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 734 | 208, 348, 535, 758, 771, 775, 778, 782, 783, 789, 795, 798, 897, 925, 931, 984 |
Source: NANPA utilized central office code file.
What makes a number local to Flat Rock
What a caller sees as "local" is the area code plus prefix. In Flat Rock, those come from the FLAT ROCK rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 734 numbers available change over time; porting an existing number is free.
Businesses around Flat Rock
Flat Rock 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 Flat Rock
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 Flat Rock, 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.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Detroit, MI metro area, 18 users on RingCentral RingEX Core come to $540.00 a month and on Ooma Office Pro $449.10, at month-to-month list prices checked September 28, 2026. On Callata the same 18 people cost $359.00 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 | $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 Flat Rock, MI?
734. All exchanges NANPA lists for Flat Rock are in 734.
How many phone companies have exchanges in Flat Rock?
10, holding 16 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Flat Rock 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 Flat Rock?
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).