CallataGuidesGet a local business phone number in Jefferson City, MO
Jefferson City's area codes, prefixes and carriers from NANPA records, and how to put a Jefferson City number in front of your customers.
- Area code
- 573 / 235
- Exchanges
- 42NANPA-assigned
- Carriers
- 16
- Population
- 42,564Census 2024 est.
What area code is Jefferson City, MO?
Jefferson City city is a Census place in Cole County, Missouri, with an estimated 42,564 residents in 2024. NANPA lists 42 exchanges for its rate center across 2 area codes; 573 has the most (39, 93%). 573 is part of an overlay with 235, so a new local number in Jefferson City may carry any of those codes depending on which have numbers available. Jefferson City 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.
Jefferson City exchanges by carrier
16 carriers hold the 42 exchanges assigned to Jefferson City's rate center. Embarq Missouri, INC. d/b/a Centurylink - Mo has the most, with 14. 29 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 |
|---|---|---|
| Embarq Missouri, INC. d/b/a Centurylink - Mo | 14 | 33% |
| New Cingular Wireless PCS, LLC - Il | 9 | 21% |
| T-mobile USA, INC. | 4 | 9.5% |
| United States Cellular - Mo | 2 | 4.8% |
| Nuso, LLC | 2 | 4.8% |
| Peerless Network of Missouri, LLC - Mo | 1 | 2.4% |
| Bandwidth.com CLEC, LLC - Mo | 1 | 2.4% |
| HD Carrier LLC | 1 | 2.4% |
| Onvoy Spectrum, LLC | 1 | 2.4% |
| Skye Telecom LLC d/b/a Skyetel | 1 | 2.4% |
| Level 3 Communications, LLC - Mo | 1 | 2.4% |
| Cellco Partnership d/b/a Verizon Wireless - Mo | 1 | 2.4% |
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.
Jefferson City phone prefixes
These are the central office codes NANPA records for Jefferson City. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2003. 5 of the 42 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 235 | 206, 218, 221 |
| 573 | 230, 257, 291, 298, 301, 338, 353, 415, 418, 462, 469, 522, 526, 556, 606, 616, 619, 632, 634, 635, 636, 638, 644, 645, 658, 659, 680, 681, 690, 691, 694, 751, 761, 797, 821, 861, 893, 896, 905 |
Source: NANPA utilized central office code file.
When Jefferson City's exchanges were assigned
Assignment dates show when each block of Jefferson City numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 4 | 36% |
| 2010s | 2 | 18% |
| 2020s | 5 | 45% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Rate centers and local calling in Jefferson City
What a caller sees as "local" is the area code plus prefix. In Jefferson City, those come from the JEFFERSNCY rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 573 numbers available change over time; porting an existing number is free.
Who does business near Jefferson City
Jefferson City 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.
A Jefferson City 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 Jefferson City, 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 Jefferson City, MO metro 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 Jefferson City, MO?
Jefferson City has exchanges in 573 and 235; 573 has the most.
How many phone companies have exchanges in Jefferson City?
16, holding 42 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Jefferson City 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 Jefferson City?
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).