Get a local business phone number in Napa, CA

What area code is Napa, CA?

Napa city is a Census place in Napa County, California, with an estimated 76,921 residents in 2024. NANPA lists 44 exchanges for its rate center across 2 area codes; 707 has the most (43, 98%). 707 is part of an overlay with 369, so a new local number in Napa may carry any of those codes depending on which have numbers available. Napa 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.

Phone carriers in Napa

16 carriers hold the 44 exchanges assigned to Napa's rate center. Pacific Bell has the most, with 13. 29 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Local prefixes for Napa

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Napa's rate center (NAPA). The earliest assignment date recorded in the file for these codes is 2001. 5 of the 44 were assigned in 2020 or later.

When Napa's exchanges were assigned

The table groups Napa's exchanges by the decade NANPA recorded them as assigned.

Rate centers and local calling in Napa

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Napa's numbers are rated to the NAPA rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Napa number.

Keeping an existing Napa 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 Napa

Napa 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).

Setting up a Napa business line

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.

Porting a number you already use in Napa is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–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. Callata comes to $299.00 a month for 15 users ($99 a month with 5 users included, then $20 per additional user), below both.