CallataGuidesGet a local business phone number in Auburn, MI
Auburn's area code, prefixes and carriers from NANPA records, and how to put a Auburn number in front of your customers.
- Area code
- 989
- Exchanges
- 5NANPA-assigned
- Carriers
- 5
- Population
- 2,046Census 2024 est.
What area code is Auburn, MI?
With 2,046 residents in the Census 2024 estimate, Auburn sits in Bay County, Michigan. All 5 exchanges NANPA lists for its rate center are in area code 989. Auburn is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 989 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 |
|---|---|---|---|---|---|
| 989 | 5 | 100% | 2001 | none | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Auburn exchanges by carrier
5 carriers hold the 5 exchanges assigned to Auburn's rate center. Paetec Itel, LLC has the most, with 1. 3 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 |
|---|---|---|
| Paetec Itel, LLC | 1 | 20% |
| Nuso, LLC | 1 | 20% |
| Telnet Worldwide, INC. | 1 | 20% |
| 123.net, LLC | 1 | 20% |
| Michigan Bell Tel CO | 1 | 20% |
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.
Auburn phone prefixes
These are the central office codes NANPA records for Auburn. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2002. 1 of the 5 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 989 | 266, 361, 416, 605, 662 |
Source: NANPA utilized central office code file.
When Auburn's exchanges were assigned
Assignment dates show when each block of Auburn numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 3 | 75% |
| 2020s | 1 | 25% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Rate centers and local calling in Auburn
What a caller sees as "local" is the area code plus prefix. In Auburn, those come from the AUBURN rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 989 numbers available change over time; porting an existing number is free.
Who does business near Auburn
Auburn is part of the Bay City, MI metro area, home to 103,000 people in 2024. County Business Patterns counted 2,044 business establishments in the Bay City, MI metro area in 2023, employing 29,377 people. The largest sectors by establishment count are retail trade (356), health care and social assistance (327), and other services (except public administration) (235).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Physician practices | 91 | 1,026 | 11.3 |
| Full-service restaurants | 71 | 1,458 | 20.5 |
| Limited-service restaurants | 71 | 1,383 | 19.5 |
| Insurance agencies and brokerages | 36 | 162 | 4.5 |
| Landscaping services | 36 | 140 | 3.9 |
| Drinking places | 34 | 242 | 7.1 |
| Dental offices | 32 | 291 | 9.1 |
| Residential remodelers | 30 | 128 | 4.3 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
A Auburn number on Callata
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 Auburn, 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.
A 14-person team is the benchmark here, the rounded average establishment size in the Bay City, MI metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $420.00 a month and Ooma Office Pro $349.30. On Callata the same 14 people cost $279.00 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 | $279.00 | $3,348.00 |
| Quo (Starter) | $19.00 per user | $266.00 | $3,192.00 |
| Nextiva (Core) | $23.00 per user | $322.00 | $3,864.00 |
| Ooma (Office Pro) | $24.95 per user | $349.30 | $4,191.60 |
| Dialpad (Standard) | $27.00 per user | $378.00 | $4,536.00 |
| RingCentral (RingEX Core) | $30.00 per user | $420.00 | $5,040.00 |
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 Auburn, MI?
989. All exchanges NANPA lists for Auburn are in 989.
How many phone companies have exchanges in Auburn?
5, holding 5 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Auburn 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 Auburn?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 14 users come to $279.00 a month. For comparison, 14 users on RingCentral RingEX Core list at $420.00 a month (checked September 28, 2026).