Get a local business phone number in Vacaville, CA

What area code is Vacaville, CA?

Vacaville, in Solano County, California, had a Census-estimated population of 103,994 in July 2024. NANPA lists 38 exchanges for its rate center across 2 area codes; 707 has the most (37, 97%). 707 is part of an overlay with 369, so a new local number in Vacaville may carry any of those codes depending on which have numbers available. Vacaville 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.

Vacaville exchanges by carrier

12 carriers hold the 38 exchanges assigned to Vacaville's rate center. Pacific Bell has the most, with 12. 29 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Vacaville can come from any of these blocks; once it is yours, porting lets it move between providers.

Vacaville phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Vacaville's rate center (VACAVILLE). The earliest assignment date recorded in the file for these codes is 2001. 3 of the 38 were assigned in 2020 or later.

When Vacaville's exchanges were assigned

Assignment dates show when each block of Vacaville numbers was added to the local supply.

What makes a number local to Vacaville

What a caller sees as "local" is the area code plus prefix. In Vacaville, those come from the VACAVILLE rate center, as recorded by NANPA.

New local numbers are drawn from carrier inventory, so the exact 707 numbers available change over time; porting an existing number is free.

Businesses around Vacaville

Vacaville is part of the Vallejo, CA metro area, home to 455,000 people in 2024. County Business Patterns counted 7,755 business establishments in the Vallejo, CA metro area in 2023, employing 122,010 people. The largest sectors by establishment count are health care and social assistance (1,160), retail trade (1,012), and accommodation and food services (860).

Business phone service in Vacaville

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 Vacaville, 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 16 users, the rounded average establishment size in the Vallejo, CA metro area. At list prices checked September 28, 2026, that is $399.20 a month on Ooma Office Pro and $480.00 on RingCentral RingEX Core. On Callata the same 16 people cost $319.00 a month, less than either per-seat plan.