Get a local business phone number in Torrance, CA

What area code is Torrance, CA?

With 139,576 residents in the Census 2024 estimate, Torrance sits in Los Angeles County, California. NANPA lists 57 exchanges for its rate center across 2 area codes; 310 has the most (33, 58%). 310 is part of an overlay with 424, so a new local number in Torrance may carry any of those codes depending on which have numbers available. Torrance is in the Pacific time zone.

According to NANPA's dialing-plan data, local calls within 310 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Phone carriers in Torrance

17 carriers hold the 57 exchanges assigned to Torrance's rate center. Pacific Bell has the most, with 14. 45 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Torrance can come from any of these blocks; once it is yours, porting lets it move between providers.

Local prefixes for Torrance

These are the central office codes NANPA records for Torrance. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 7 of the 57 were assigned in 2020 or later.

When Torrance's exchanges were assigned

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

How local numbers work in Torrance

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

Keeping an existing Torrance number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 310 when you pick it.

Who does business near Torrance

Torrance 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 Torrance

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in Torrance 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.

The comparison below uses 14 users, the rounded average establishment size in the Los Angeles, CA metro area. At list prices checked September 28, 2026, that is $349.30 a month on Ooma Office Pro and $420.00 on RingCentral RingEX Core. Callata comes to $279.00 a month for 14 users ($99 a month with 5 users included, then $20 per additional user), below both.