Get a local business phone number in Hawthorne, CA

Hawthorne area codes

Hawthorne city is a Census place in Los Angeles County, California, with an estimated 83,633 residents in 2024. NANPA lists 58 exchanges for its rate center across 2 area codes; 310 has the most (31, 53%). 310 is part of an overlay with 424, so a new local number in Hawthorne may carry any of those codes depending on which have numbers available. Hawthorne 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.

Hawthorne exchanges by carrier

17 carriers hold the 58 exchanges assigned to Hawthorne's rate center. Pacific Bell has the most, with 22. 47 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 Hawthorne

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Hawthorne's rate center (HAWTHORNE). The earliest assignment date recorded in the file for these codes is 2005. 10 of the 58 were assigned in 2020 or later.

When Hawthorne's exchanges were assigned

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

What makes a number local to Hawthorne

What a caller sees as "local" is the area code plus prefix. In Hawthorne, those come from the HAWTHORNE rate center, as recorded by NANPA.

New local numbers are drawn from carrier inventory, so the exact 310 numbers available change over time; porting an existing number is free.

The local business market

Hawthorne 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 Hawthorne

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 Hawthorne 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.

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. Callata comes to $279.00 a month for 14 users ($99 a month with 5 users included, then $20 per additional user), below both.