CallataGuidesGet a local business phone number in St. Louis, MI
St. Louis's area code, prefixes and carriers from NANPA records, and how to put a St. Louis number in front of your customers.
- Area code
- 989
- Exchanges
- 3NANPA-assigned
- Carriers
- 3
- Population
- 7,465Census 2024 est.
Area codes in St. Louis
St. Louis, in Gratiot County, Michigan, had a Census-estimated population of 7,465 in July 2024. All 3 exchanges NANPA lists for its rate center are in area code 989. St. Louis 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 | 3 | 100% | 2001 | none | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
St. Louis exchanges by carrier
3 carriers hold the 3 exchanges assigned to St. Louis's rate center. Level 3 Communications, LLC - Mi 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 |
|---|---|---|
| Level 3 Communications, LLC - Mi | 1 | 33% |
| Frontier North, INC. - Mi | 1 | 33% |
| Fractel, LLC | 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.
Exchanges (NPA-NXX) assigned in St. Louis
These are the central office codes NANPA records for St. Louis. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2006. 1 of the 3 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 989 | 303, 681, 699 |
Source: NANPA utilized central office code file.
When St. Louis's exchanges were assigned
The table groups St. Louis's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 50% |
| 2020s | 1 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to St. Louis
NANPA ties every exchange to a rate center. For St. Louis that is ST LOUIS, so a number from one of these exchanges reads as local to people in and around St. Louis.
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
St. Louis 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.
A St. Louis 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.
Porting a number you already use in St. Louis 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.
A 15-person team is the benchmark here, the rounded average establishment size in the Alma, MI micropolitan area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $450.00 a month and Ooma Office Pro $374.25. Callata comes to $299.00 a month for 15 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 | $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 St. Louis, MI?
989. All exchanges NANPA lists for St. Louis are in 989.
How many phone companies have exchanges in St. Louis?
3, holding 3 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing St. Louis 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 St. Louis?
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).