Get a local business phone number in Claremont, CA

Area codes in Claremont

Claremont, in Los Angeles County, California, had a Census-estimated population of 36,139 in July 2024. NANPA lists 58 exchanges for its rate center across 2 area codes; 909 has the most (50, 86%). 909 is part of an overlay with 840, so a new local number in Claremont may carry any of those codes depending on which have numbers available. Claremont 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.

Phone carriers in Claremont

15 carriers hold the 58 exchanges assigned to Claremont's rate center. Frontier California INC. has the most, with 20. 40 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Exchanges (NPA-NXX) assigned in Claremont

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Claremont's rate center (CLAREMONT). The earliest assignment date recorded in the file for these codes is 2001. 12 of the 58 were assigned in 2020 or later.

When Claremont's exchanges were assigned

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

How local numbers work in Claremont

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

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

The local business market

Claremont is part of the Los Angeles-Long Beach-Anaheim, CA metro area, home to 12.9 million people in 2024. County Business Patterns counted 411,949 business establishments in the Los Angeles, CA metro area in 2023, employing 5,568,514 people. The largest sectors by establishment count are professional, scientific, and technical services (61,848), health care and social assistance (53,869), and retail trade (38,838).

Business phone service in Claremont

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 Claremont, 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.

A 14-person team is the benchmark here, the rounded average establishment size in the Los Angeles, CA metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $420.00 a month and Ooma Office Pro $349.30. On Callata the same 14 people cost $279.00 a month, less than either per-seat plan.