CallataGuidesGet a local business phone number in Yountville, CA
Yountville's area code, prefixes and carriers from NANPA records, and how to put a Yountville number in front of your customers.
- Area code
- 707
- Exchanges
- 10NANPA-assigned
- Carriers
- 6
- Population
- 3,280Census 2024 est.
What area code is Yountville, CA?
Yountville, in Napa County, California, had a Census-estimated population of 3,280 in July 2024. All 10 exchanges NANPA lists for its rate center are in area code 707. 707 is part of an overlay with 369, so a new local number in Yountville may carry any of those codes depending on which have numbers available. Yountville is in the Pacific time zone.
According to NANPA's dialing-plan data, local calls within 707 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 707 | 10 | 100% | 1959 | 369 | Pacific |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Yountville exchanges by carrier
6 carriers hold the 10 exchanges assigned to Yountville's rate center. Pacific Bell has the most, with 3. 9 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 |
|---|---|---|
| Pacific Bell | 3 | 30% |
| Level 3 Communications, LLC - CA | 2 | 20% |
| Cellco Partnership d/b/a Verizon Wireless - CA | 2 | 20% |
| Teleport Communications America, LLC - CA | 1 | 10% |
| Onvoy, LLC - CA | 1 | 10% |
| Mcimetro Access Transmission Services LLC | 1 | 10% |
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.
Yountville phone prefixes
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Yountville's rate center (YOUNTVILLE). The earliest assignment date recorded in the file for these codes is 2010. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 707 | 204, 312, 339, 415, 531, 754, 944, 945, 947, 948 |
Source: NANPA utilized central office code file.
What makes a number local to Yountville
NANPA ties every exchange to a rate center. For Yountville that is YOUNTVILLE, so a number from one of these exchanges reads as local to people in and around Yountville.
Keeping an existing Yountville number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 707 when you pick it.
Businesses around Yountville
Yountville is part of the Napa, CA metro area, home to 133,000 people in 2024. County Business Patterns counted 4,486 business establishments in the Napa, CA metro area in 2023, employing 66,372 people. The largest sectors by establishment count are manufacturing (525), construction (504), and retail trade (483).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Wineries | 421 | 9,057 | 21.5 |
| Full-service restaurants | 145 | 4,794 | 33.1 |
| Residential remodelers | 118 | 660 | 5.6 |
| Landscaping services | 100 | 926 | 9.3 |
| Physician practices | 89 | 424 | 4.8 |
| Limited-service restaurants | 87 | 1,726 | 19.8 |
| Dental offices | 81 | 597 | 7.4 |
| Management consulting firms | 71 | 231 | 3.3 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Yountville
Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.
If you already have a number in Yountville, 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.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Napa, CA metro area, 15 users on RingCentral RingEX Core come to $450.00 a month and on Ooma Office Pro $374.25, at month-to-month list prices checked September 28, 2026. 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 Yountville, CA?
707. All exchanges NANPA lists for Yountville are in 707.
How many phone companies have exchanges in Yountville?
6, holding 10 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Yountville 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 Yountville?
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).