CallataGuidesGet a local business phone number in Alma, MI
Alma's area code, prefixes and carriers from NANPA records, and how to put a Alma number in front of your customers.
- Area code
- 989
- Exchanges
- 16NANPA-assigned
- Carriers
- 10
- Population
- 9,349Census 2024 est.
Alma area codes
Alma city is a Census place in Gratiot County, Michigan, with an estimated 9,349 residents in 2024. All 16 exchanges NANPA lists for its rate center are in area code 989. Alma 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 | 16 | 100% | 2001 | none | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Alma
10 carriers hold the 16 exchanges assigned to Alma's rate center. Frontier North, INC. - Mi has the most, with 5. 12 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 |
|---|---|---|
| Frontier North, INC. - Mi | 5 | 31% |
| Level 3 Communications, LLC - Mi | 3 | 19% |
| Paetec Itel, LLC | 1 | 6.3% |
| Ton80 Communications, LLC | 1 | 6.3% |
| New Cingular Wireless PCS, LLC - Il | 1 | 6.3% |
| Omnipoint Communications Midwest Operations, LLC | 1 | 6.3% |
| Telnet Worldwide, INC. | 1 | 6.3% |
| Onvoy Spectrum, LLC | 1 | 6.3% |
| American Messaging Services, LLC | 1 | 6.3% |
| Winn Telephone Company d/b/a Winn Telecom - 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 Alma
These are the central office codes NANPA records for Alma. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 2 of the 16 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 989 | 285, 331, 409, 462, 463, 466, 468, 533, 576, 620, 629, 760, 796, 901, 924, 968 |
Source: NANPA utilized central office code file.
When Alma's exchanges were assigned
Assignment dates show when each block of Alma numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 6 | 67% |
| 2010s | 1 | 11% |
| 2020s | 2 | 22% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Alma
What a caller sees as "local" is the area code plus prefix. In Alma, those come from the ALMA 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.
The local business market
Alma is part of the Alma, MI micropolitan area, home to 41,372 people in 2024. County Business Patterns counted 725 business establishments in the Alma, MI micropolitan area in 2023, employing 10,633 people. The largest sectors by establishment count are retail trade (123), health care and social assistance (102), and other services (except public administration) (80).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 25 | 469 | 18.8 |
| Full-service restaurants | 20 | 287 | 14.3 |
| Physician practices | 19 | 136 | 7.2 |
| Insurance agencies and brokerages | 15 | 73 | 4.9 |
| Landscaping services | 13 | 51 | 3.9 |
| General freight trucking companies (local) | 12 | — | — |
| Site preparation contractors | 11 | 68 | 6.2 |
| Electrical contractors | 10 | 65 | 6.5 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Alma business line
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 Alma, 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 15 users, the rounded average establishment size in the Alma, MI micropolitan area. At list prices checked September 28, 2026, that is $374.25 a month on Ooma Office Pro and $450.00 on RingCentral RingEX Core. On Callata the same 15 people cost $299.00 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 | $299.00 | $3,588.00 |
| Quo (Starter) | $19.00 per user | $285.00 | $3,420.00 |
| Nextiva (Core) | $23.00 per user | $345.00 | $4,140.00 |
| Ooma (Office Pro) | $24.95 per user | $374.25 | $4,491.00 |
| Dialpad (Standard) | $27.00 per user | $405.00 | $4,860.00 |
| RingCentral (RingEX Core) | $30.00 per user | $450.00 | $5,400.00 |
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 Alma, MI?
989. All exchanges NANPA lists for Alma are in 989.
How many phone companies have exchanges in Alma?
10, holding 16 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Alma 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 Alma?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 15 users come to $299.00 a month. For comparison, 15 users on RingCentral RingEX Core list at $450.00 a month (checked September 28, 2026).