Get a local business phone number in Fontana, CA

What area code is Fontana, CA?

Fontana, in San Bernardino County, California, had a Census-estimated population of 218,455 in July 2024. NANPA lists 82 exchanges for its rate center across 2 area codes; 909 has the most (70, 85%). 909 is part of an overlay with 840, so a new local number in Fontana may carry any of those codes depending on which have numbers available. Fontana is in the Pacific time zone.

According to NANPA's dialing-plan data, local calls within 909 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Who holds Fontana phone exchanges

16 carriers hold the 82 exchanges assigned to Fontana's rate center. Metropcs Networks, LLC has the most, with 17. 70 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 Fontana

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Fontana. The earliest assignment date recorded in the file for these codes is 2001. 15 of the 82 were assigned in 2020 or later.

When Fontana's exchanges were assigned

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

What makes a number local to Fontana

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

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

Businesses around Fontana

Fontana is part of the Riverside-San Bernardino-Ontario, CA metro area, home to 4.7 million people in 2024. County Business Patterns counted 88,815 business establishments in the Riverside, CA metro area in 2023, employing 1,406,138 people. The largest sectors by establishment count are health care and social assistance (11,275), retail trade (10,992), and construction (9,892).

A Fontana 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.

If you already have a number in Fontana, 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 Riverside, 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.