Get a local business phone number in San Jose, CA

What area code is San Jose, CA?

San Jose, in Santa Clara County, California, had a Census-estimated population of 997,368 in July 2024. NANPA lists 665 exchanges for its rate centers across 2 area codes; 408 has the most (544, 82%). 408 is part of an overlay with 669, so a new local number in San Jose may carry any of those codes depending on which have numbers available. San Jose is in the Pacific time zone.

According to NANPA's dialing-plan data, local calls within 408 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Phone carriers in San Jose

30 carriers hold the 665 exchanges assigned to San Jose's rate centers. Pacific Bell has the most, with 256. 381 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 San Jose

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to San Jose's rate centers (SNJS NORTH, SNJS SOUTH, and SNJS WEST). The earliest assignment date recorded in the file for these codes is 2001. 60 of the 665 were assigned in 2020 or later.

When San Jose's exchanges were assigned

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

Rate centers and local calling in San Jose

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

Keeping an existing San Jose number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 408 when you pick it.

Businesses around San Jose

San Jose is part of the San Jose-Sunnyvale-Santa Clara, CA metro area, home to 2.0 million people in 2024. County Business Patterns counted 50,322 business establishments in the San Jose, CA metro area in 2023, employing 1,185,619 people. The largest sectors by establishment count are professional, scientific, and technical services (8,761), health care and social assistance (6,467), and accommodation and food services (5,230).

Setting up a San Jose 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.

Porting a number you already use in San Jose 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.

A 24-person team is the benchmark here, the rounded average establishment size in the San Jose, CA metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $720.00 a month and Ooma Office Pro $598.80. Callata comes to $479.00 a month for 24 users ($99 a month with 5 users included, then $20 per additional user), below both.