CallataGuidesGet a local business phone number in Valley Park, MO
Valley Park's area code, prefixes and carriers from NANPA records, and how to put a Valley Park number in front of your customers.
- Area code
- 636
- Exchanges
- 14NANPA-assigned
- Carriers
- 5
- Population
- 6,747Census 2024 est.
Area codes in Valley Park
With 6,747 residents in the Census 2024 estimate, Valley Park sits in St. Louis County, Missouri. All 14 exchanges NANPA lists for its rate center are in area code 636. Valley Park is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 636 are dialed as seven digits and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 636 | 14 | 100% | 1999 | none | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Valley Park
5 carriers hold the 14 exchanges assigned to Valley Park's rate center. Southwestern Bell has the most, with 7. 10 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Valley Park can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Southwestern Bell | 7 | 50% |
| Mcimetro Access Transmission Services LLC - Mo | 3 | 21% |
| Onvoy, LLC - Mo | 2 | 14% |
| Teleport Communications America, LLC - Mo | 1 | 7.1% |
| Paetec Itel, LLC | 1 | 7.1% |
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 Valley Park
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Valley Park's rate center (VALLEYPARK). The earliest assignment date recorded in the file for these codes is 2001. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 636 | 225, 226, 412, 431, 435, 444, 517, 529, 556, 689, 825, 827, 861, 923 |
Source: NANPA utilized central office code file.
Rate centers and local calling in Valley Park
What a caller sees as "local" is the area code plus prefix. In Valley Park, those come from the VALLEYPARK rate center, as recorded by NANPA.
Keeping an existing Valley Park number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 636 when you pick it.
Who does business near Valley Park
Valley Park is part of the St. Louis, MO-IL metro area, home to 2.8 million people in 2024. County Business Patterns counted 69,470 business establishments in the St. Louis, MO-IL metro area in 2023, employing 1,263,674 people. The largest sectors by establishment count are health care and social assistance (10,427), retail trade (8,095), and professional, scientific, and technical services (7,057).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 2,334 | 45,289 | 19.4 |
| Full-service restaurants | 2,019 | 49,930 | 24.7 |
| Agencies providing services for the elderly and persons with disabilities | 1,898 | 16,546 | 8.7 |
| Physician practices | 1,785 | 22,126 | 12.4 |
| Insurance agencies and brokerages | 1,509 | 7,839 | 5.2 |
| Law offices | 1,393 | 10,509 | 7.5 |
| Offices of real estate agents and brokers | 1,099 | 2,523 | 2.3 |
| Landscaping services | 1,092 | 7,504 | 6.9 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Valley Park 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 Valley Park, 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 18 users, the rounded average establishment size in the St. Louis, MO-IL metro area. At list prices checked September 28, 2026, that is $449.10 a month on Ooma Office Pro and $540.00 on RingCentral RingEX Core. On Callata the same 18 people cost $359.00 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 | $359.00 | $4,308.00 |
| Quo (Starter) | $19.00 per user | $342.00 | $4,104.00 |
| Nextiva (Core) | $23.00 per user | $414.00 | $4,968.00 |
| Ooma (Office Pro) | $24.95 per user | $449.10 | $5,389.20 |
| Dialpad (Standard) | $27.00 per user | $486.00 | $5,832.00 |
| RingCentral (RingEX Core) | $30.00 per user | $540.00 | $6,480.00 |
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 Valley Park, MO?
636. All exchanges NANPA lists for Valley Park are in 636.
How many phone companies have exchanges in Valley Park?
5, holding 14 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Valley Park 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 Valley Park?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 18 users come to $359.00 a month. For comparison, 18 users on RingCentral RingEX Core list at $540.00 a month (checked September 28, 2026).