CallataGuidesGet a local business phone number in Ontonagon, MI
Ontonagon's area code, prefixes and carriers from NANPA records, and how to put a Ontonagon number in front of your customers.
- Area code
- 906
- Exchanges
- 3NANPA-assigned
- Carriers
- 3
- Population
- 2,275Census 2024 est.
What area code is Ontonagon, MI?
With 2,275 residents in the Census 2024 estimate, Ontonagon sits in Ontonagon County, Michigan. All 3 exchanges NANPA lists for its rate center are in area code 906. Ontonagon is in the Eastern and Central time zone.
According to NANPA's dialing-plan data, local calls within 906 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 |
|---|---|---|---|---|---|
| 906 | 3 | 100% | 1961 | none | Eastern and Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Ontonagon exchanges by carrier
3 carriers hold the 3 exchanges assigned to Ontonagon's rate center. New Cingular Wireless PCS, LLC - Il has the most, with 1. 1 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 | 1 | 33% |
| Range Telecommunications | 1 | 33% |
| Ontonagon County Tel. CO. | 1 | 33% |
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.
Ontonagon phone prefixes
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Ontonagon's rate center (ONTONAGON). None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 906 | 390, 673, 884 |
Source: NANPA utilized central office code file.
Rate centers and local calling in Ontonagon
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Ontonagon's numbers are rated to the ONTONAGON rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Ontonagon number.
If your business already has a Ontonagon number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Who does business near Ontonagon
Ontonagon is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 229,564 business establishments in Michigan in 2023, employing 4,041,074 people. The largest sectors by establishment count are retail trade (32,868), health care and social assistance (28,979), and other services (except public administration) (23,311).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 7,923 | 143,754 | 18.1 |
| Full-service restaurants | 7,198 | 146,525 | 20.4 |
| Physician practices | 6,412 | 91,402 | 14.3 |
| Residential remodelers | 3,959 | 14,368 | 3.6 |
| Landscaping services | 3,797 | 20,967 | 5.5 |
| Dental offices | 3,795 | 33,989 | 9.0 |
| Law offices | 3,750 | 23,789 | 6.3 |
| Insurance agencies and brokerages | 3,680 | 26,370 | 7.2 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
A Ontonagon number on Callata
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.
If you already have a number in Ontonagon, 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.
An 18-person team is the benchmark here, the rounded average establishment size in Michigan. 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. 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 Ontonagon, MI?
906. All exchanges NANPA lists for Ontonagon are in 906.
How many phone companies have exchanges in Ontonagon?
3, holding 3 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Ontonagon 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 Ontonagon?
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).