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Get a local business phone number in Lomita, CA

Lomita's area codes, prefixes and carriers from NANPA records, and how to put a Lomita number in front of your customers.

Area code
424 / 310
Exchanges
30NANPA-assigned
Carriers
12
Population
19,841Census 2024 est.

Lomita area codes

Lomita, in Los Angeles County, California, had a Census-estimated population of 19,841 in July 2024. NANPA lists 30 exchanges for its rate center across 2 area codes; 424 has the most (16, 53%). 424 is part of an overlay with 310, so a new local number in Lomita may carry any of those codes depending on which have numbers available. Lomita is in the Pacific time zone.

According to NANPA's dialing-plan data, local calls within 424 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Area codes with exchanges in Lomita, CA
Area codeExchanges hereShareIn service sinceOverlay withTime zone
4241653%2006310Pacific
3101447%1991424Pacific

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Lomita exchanges by carrier

12 carriers hold the 30 exchanges assigned to Lomita's rate center. Pacific Bell has the most, with 9. 21 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.

Carriers holding exchanges in Lomita, CA
Carrier (NANPA operating company)ExchangesShare
Pacific Bell930%
Onvoy, LLC - CA517%
Mcimetro Access Transmission Services LLC310%
Cellco Partnership d/b/a Verizon Wireless - CA310%
T-mobile USA, INC.26.7%
Fractel, LLC26.7%
Level 3 Communications, LLC - CA13.3%
Metropcs Networks, LLC13.3%
AT&T Enterprises, LLC13.3%
Centurylink Communications, LLC13.3%
Comcast Phone of California, LLC13.3%
Commio, LLC13.3%

Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.

Exchanges (NPA-NXX) assigned in Lomita

These are the central office codes NANPA records for Lomita. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2005. 7 of the 30 were assigned in 2020 or later.

Prefixes assigned in Lomita, CA
Area codePrefixes (NXX)
310257, 304, 325, 326, 517, 530, 534, 539, 602, 626, 784, 891, 986, 997
424203, 222, 250, 251, 263, 305, 328, 347, 378, 401, 461, 495, 516, 564, 667, 688

Source: NANPA utilized central office code file.

When Lomita's exchanges were assigned

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

Lomita, CA: exchanges by decade assigned
Decade assignedExchangesShare
2000s427%
2010s427%
2020s747%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

Rate centers and local calling in Lomita

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

Keeping an existing Lomita number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 424 when you pick it.

Businesses around Lomita

Lomita 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).

Selected industries in the Los Angeles, CA metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Physician practices13,77586,7256.3
Limited-service restaurants12,756218,09817.1
Law offices11,33074,7956.6
Full-service restaurants11,133237,36821.3
Dental offices9,29650,7625.5
Offices of real estate agents and brokers8,93119,6202.2
Management consulting firms8,37736,3094.3
Insurance agencies and brokerages5,78631,9135.5

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

A Lomita number on Callata

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 Lomita 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 Los Angeles, CA metro area, 14 users on RingCentral RingEX Core come to $420.00 a month and on Ooma Office Pro $349.30, at month-to-month list prices checked September 28, 2026. Callata comes to $279.00 a month for 14 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 14-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$279.00$3,348.00
Quo (Starter)$19.00 per user$266.00$3,192.00
Nextiva (Core)$23.00 per user$322.00$3,864.00
Ooma (Office Pro)$24.95 per user$349.30$4,191.60
Dialpad (Standard)$27.00 per user$378.00$4,536.00
RingCentral (RingEX Core)$30.00 per user$420.00$5,040.00

Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.

Frequently asked questions

What area code is Lomita, CA?

Lomita has exchanges in 424 and 310; 424 has the most.

How many phone companies have exchanges in Lomita?

12, holding 30 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Lomita business number?

Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.

How much is a business phone line in Lomita?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 14 users come to $279.00 a month. For comparison, 14 users on RingCentral RingEX Core list at $420.00 a month (checked September 28, 2026).