Get a local business phone number in Hayward, CA

Hayward area codes

Hayward city is a Census place in Alameda County, California, with an estimated 158,440 residents in 2024. NANPA lists 130 exchanges for its rate center across 2 area codes; 510 has the most (117, 90%). 510 is part of an overlay with 341, so a new local number in Hayward may carry any of those codes depending on which have numbers available. Hayward is in the Pacific time zone.

According to NANPA's dialing-plan data, local calls within 510 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Hayward exchanges by carrier

22 carriers hold the 130 exchanges assigned to Hayward's rate center. Pacific Bell has the most, with 36. 97 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 Hayward

These are the central office codes NANPA records for Hayward. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 15 of the 130 were assigned in 2020 or later.

When Hayward's exchanges were assigned

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

Rate centers and local calling in Hayward

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

If your business already has a Hayward number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

Businesses around Hayward

Hayward 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 Hayward 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 Hayward 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 San Francisco, CA metro area, 18 users on RingCentral RingEX Core come to $540.00 a month and on Ooma Office Pro $449.10, at month-to-month list prices checked September 28, 2026. Callata comes to $359.00 a month for 18 users ($99 a month with 5 users included, then $20 per additional user), below both.