CallataGuidesGet a local business phone number in Centralia, MO
Centralia's area code, prefixes and carriers from NANPA records, and how to put a Centralia number in front of your customers.
- Area code
- 573
- Exchanges
- 4NANPA-assigned
- Carriers
- 4
- Population
- 4,807Census 2024 est.
Area codes in Centralia
Centralia, in Boone County, Missouri, had a Census-estimated population of 4,807 in July 2024. All 4 exchanges NANPA lists for its rate center are in area code 573. 573 is part of an overlay with 235, so a new local number in Centralia may carry any of those codes depending on which have numbers available. Centralia 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.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 573 | 4 | 100% | 1996 | 235 | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Centralia
4 carriers hold the 4 exchanges assigned to Centralia's rate center. Brightspeed of Missouri, LLC has the most, with 1. 4 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Centralia can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Brightspeed of Missouri, LLC | 1 | 25% |
| New Cingular Wireless PCS, LLC - Il | 1 | 25% |
| Charter Ip Enabled Services, LLC | 1 | 25% |
| Onvoy, LLC - Mo | 1 | 25% |
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 Centralia
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Centralia. The earliest assignment date recorded in the file for these codes is 2003. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 573 | 682, 933, 969, 982 |
Source: NANPA utilized central office code file.
When Centralia's exchanges were assigned
The table groups Centralia's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 50% |
| 2010s | 1 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Centralia
NANPA ties every exchange to a rate center. For Centralia that is CENTRALIA, so a number from one of these exchanges reads as local to people in and around Centralia.
Keeping an existing Centralia number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 573 when you pick it.
Who does business near Centralia
Centralia is part of the Columbia, MO metro area, home to 219,000 people in 2024. County Business Patterns counted 5,312 business establishments in the Columbia, MO metro area in 2023, employing 91,660 people. The largest sectors by establishment count are health care and social assistance (821), retail trade (669), and construction (606).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 175 | 4,234 | 24.2 |
| Full-service restaurants | 153 | 3,878 | 25.3 |
| Physician practices | 149 | 1,509 | 10.1 |
| Insurance agencies and brokerages | 113 | 506 | 4.5 |
| Offices of real estate agents and brokers | 108 | 367 | 3.4 |
| Law offices | 104 | 464 | 4.5 |
| Residential remodelers | 94 | 340 | 3.6 |
| Landscaping services | 93 | 512 | 5.5 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Centralia 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 Centralia 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.
The comparison below uses 17 users, the rounded average establishment size in the Columbia, MO metro area. At list prices checked September 28, 2026, that is $424.15 a month on Ooma Office Pro and $510.00 on RingCentral RingEX Core. Callata comes to $339.00 a month for 17 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 | $339.00 | $4,068.00 |
| Quo (Starter) | $19.00 per user | $323.00 | $3,876.00 |
| Nextiva (Core) | $23.00 per user | $391.00 | $4,692.00 |
| Ooma (Office Pro) | $24.95 per user | $424.15 | $5,089.80 |
| Dialpad (Standard) | $27.00 per user | $459.00 | $5,508.00 |
| RingCentral (RingEX Core) | $30.00 per user | $510.00 | $6,120.00 |
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 Centralia, MO?
573. All exchanges NANPA lists for Centralia are in 573.
How many phone companies have exchanges in Centralia?
4, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Centralia 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 Centralia?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 17 users come to $339.00 a month. For comparison, 17 users on RingCentral RingEX Core list at $510.00 a month (checked September 28, 2026).