CallataGuidesGet a local business phone number in Houston, MO
Houston's area code, prefixes and carriers from NANPA records, and how to put a Houston number in front of your customers.
- Area code
- 417
- Exchanges
- 6NANPA-assigned
- Carriers
- 4
- Population
- 2,191Census 2024 est.
What area code is Houston, MO?
Houston, in Texas County, Missouri, had a Census-estimated population of 2,191 in July 2024. All 6 exchanges NANPA lists for its rate center are in area code 417. Houston is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 417 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 |
|---|---|---|---|---|---|
| 417 | 6 | 100% | 1950 | none | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Who holds Houston phone exchanges
4 carriers hold the 6 exchanges assigned to Houston's rate center. Cellco Partnership d/b/a Verizon Wireless - Mo has the most, with 3. 6 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 |
|---|---|---|
| Cellco Partnership d/b/a Verizon Wireless - Mo | 3 | 50% |
| United States Cellular - Mo | 1 | 17% |
| Metropcs, INC. | 1 | 17% |
| Brightspeed of East Missouri, LLC | 1 | 17% |
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 Houston
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Houston's rate center (HOUSTON). The earliest assignment date recorded in the file for these codes is 2002. 2 of the 6 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 417 | 217, 260, 318, 539, 608, 967 |
Source: NANPA utilized central office code file.
When Houston's exchanges were assigned
Assignment dates show when each block of Houston numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 25% |
| 2010s | 1 | 25% |
| 2020s | 2 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Rate centers and local calling in Houston
NANPA ties every exchange to a rate center. For Houston that is HOUSTON, so a number from one of these exchanges reads as local to people in and around Houston.
If your business already has a Houston number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Who does business near Houston
Houston is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 151,475 business establishments in Missouri in 2023, employing 2,631,543 people. The largest sectors by establishment count are health care and social assistance (20,637), retail trade (19,971), and other services (except public administration) (15,950).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 4,814 | 98,624 | 20.5 |
| Full-service restaurants | 4,522 | 101,104 | 22.4 |
| Agencies providing services for the elderly and persons with disabilities | 3,454 | 29,360 | 8.5 |
| Insurance agencies and brokerages | 3,330 | 19,059 | 5.7 |
| Physician practices | 3,042 | 40,939 | 13.5 |
| Law offices | 2,759 | 18,479 | 6.7 |
| Offices of real estate agents and brokers | 2,550 | 6,531 | 2.6 |
| Landscaping services | 2,199 | 13,201 | 6.0 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Houston 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 Houston, 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 17 users, the rounded average establishment size in Missouri. At list prices checked September 28, 2026, that is $424.15 a month on Ooma Office Pro and $510.00 on RingCentral RingEX Core. On Callata the same 17 people cost $339.00 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 | $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 Houston, MO?
417. All exchanges NANPA lists for Houston are in 417.
How many phone companies have exchanges in Houston?
4, holding 6 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Houston 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 Houston?
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).