Get a local business phone number in Concord, CA

Concord area codes

Concord, in Contra Costa County, California, had a Census-estimated population of 124,016 in July 2024. All 89 exchanges NANPA lists for its rate center are in area code 925. Concord is in the Pacific time zone.

According to NANPA's dialing-plan data, local calls within 925 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Concord exchanges by carrier

20 carriers hold the 89 exchanges assigned to Concord's rate center. Pacific Bell has the most, with 29. 61 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.

Exchanges (NPA-NXX) assigned in Concord

These are the central office codes NANPA records for Concord. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 10 of the 89 were assigned in 2020 or later.

When Concord's exchanges were assigned

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

Rate centers and local calling in Concord

NANPA ties every exchange to a rate center. For Concord that is CONCORD, so a number from one of these exchanges reads as local to people in and around Concord.

Keeping an existing Concord number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 925 when you pick it.

Businesses around Concord

Concord is part of the San Francisco-Oakland-Fremont, CA metro area, home to 4.6 million people in 2024. County Business Patterns counted 133,246 business establishments in the San Francisco, CA metro area in 2023, employing 2,417,363 people. The largest sectors by establishment count are professional, scientific, and technical services (23,140), health care and social assistance (16,920), and accommodation and food services (13,736).

A Concord number on Callata

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

Porting a number you already use in Concord 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.

An 18-person team is the benchmark here, the rounded average establishment size in the San Francisco, CA metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $540.00 a month and Ooma Office Pro $449.10. Callata comes to $359.00 a month for 18 users ($99 a month with 5 users included, then $20 per additional user), below both.