CallataGuidesGet a local business phone number in Linn, MO
Linn's area codes, prefixes and carriers from NANPA records, and how to put a Linn number in front of your customers.
- Area code
- 573 / 235
- Exchanges
- 5NANPA-assigned
- Carriers
- 5
- Population
- 1,431Census 2024 est.
What area code is Linn, MO?
With 1,431 residents in the Census 2024 estimate, Linn sits in Osage County, Missouri. NANPA lists 5 exchanges for its rate center across 2 area codes; 573 has the most (4, 80%). 573 is part of an overlay with 235, so a new local number in Linn may carry any of those codes depending on which have numbers available. Linn is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 573 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Phone carriers in Linn
5 carriers hold the 5 exchanges assigned to Linn's rate center. Opentact INC. has the most, with 1. 5 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Linn can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Opentact INC. | 1 | 20% |
| Level 3 Communications, LLC - Mo | 1 | 20% |
| Vonage America LLC | 1 | 20% |
| Ip Horizon LLC | 1 | 20% |
| Southwestern Bell | 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.
Local prefixes for Linn
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Linn's rate center (LINN). The earliest assignment date recorded in the file for these codes is 2004. 2 of the 5 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 235 | 465 |
| 573 | 417, 799, 852, 897 |
Source: NANPA utilized central office code file.
When Linn's exchanges were assigned
The table groups Linn's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 33% |
| 2020s | 2 | 67% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Rate centers and local calling in Linn
What a caller sees as "local" is the area code plus prefix. In Linn, those come from the LINN rate center, as recorded by NANPA.
If your business already has a Linn number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Businesses around Linn
Linn is part of the Jefferson City, MO metro area, home to 152,000 people in 2024. County Business Patterns counted 3,606 business establishments in the Jefferson City, MO metro area in 2023, employing 55,768 people. The largest sectors by establishment count are retail trade (496), construction (480), and other services (except public administration) (458).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 106 | 2,512 | 23.7 |
| Full-service restaurants | 102 | 1,868 | 18.3 |
| Insurance agencies and brokerages | 84 | 475 | 5.7 |
| Landscaping services | 71 | 461 | 6.5 |
| Plumbing, heating and air-conditioning contractors | 70 | 878 | 12.5 |
| Law offices | 60 | 342 | 5.7 |
| Child day care services | 55 | 637 | 11.6 |
| Agencies providing services for the elderly and persons with disabilities | 47 | 531 | 11.3 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Linn 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.
Porting a number you already use in Linn 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 Jefferson City, MO metro 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 Linn, MO?
Linn has exchanges in 573 and 235; 573 has the most.
How many phone companies have exchanges in Linn?
5, holding 5 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Linn 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 Linn?
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).