Area Code Box

Area code 310

Where is area code 310?

Los Angeles, Gardena and Beverly Hills, California

Local time: … (Pacific Time)

StateCalifornia
CountryUnited States
Main citiesLos Angeles, Gardena and Beverly Hills
Time zonePacific Time
Overlay area codes424
In service since1991 (created from 213)
Assigned prefixes786
Dialing format(310) XXX-XXXX · +1 310 XXX XXXX from abroad

Look up a 310 number

Enter a 3-digit area code or a full 10-digit number.

Cities and towns in area code 310

Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 310.

Phone companies in area code 310

The carriers that hold the most 310 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.

PrefixesCarrier
249Pacific Bell (AT&T)
137Frontier California
68New Cingular Wireless PCS (AT&T)
58T-Mobile USA
56Verizon Wireless
46Mcimetro Access Transmission Services
24Spok
24Tpx Communications

All 786 prefixes in area code 310

Pick the 3 digits after the area code to see that prefix’s city and carrier.

Area codes that overlay 310

Questions

Where is area code 310?
Area code 310 is in California. It serves Los Angeles, Gardena, Beverly Hills, Torrance and Santa Monica and 15 other cities and towns.
What time zone is area code 310 in?
Area code 310 uses Pacific Time.
What area codes overlay 310?
424 serves the same area as 310. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.
Is a call from area code 310 a scam?
The area code alone doesn’t tell you. Most calls from 310 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 310 number, let it go to voicemail.
When did area code 310 start?
310 went into service in 1991. It was created from area code 213.
Can a 310 number be outside California?
Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 310 caller can be anywhere.

Other area codes in California

Area codeMain cities
209Stockton, Modesto and Merced
213Lsan Da 01, Los Angeles and Lsan Da 10
279Sacramento, Folsom and Elk Grove
323Los Angeles, Montebello and South Gate
341Fremont, Oakland and Hayward
350Stockton, Modesto and Atwater
357Clovis, Firebaugh and Fresno
369Santa Rosa, Clearlake and Fairfield
408San Jose, Sunnyvale and Campbell
415San Francisco, San Rafael and Novato
442Victorville, Palm Springs and Indio
510Oakland, Fremont and Hayward
530Chico, Redding and Yuba City
559Fresno, Visalia and Clovis
562Long Beach, Bellflower and Downey
619San Diego, Chula Vista and El Cajon
626Alhambra, Pasadena and Covina
628San Francisco, San Rafael and Novato
650Palo Alto, San Mateo and Mountain View
657Anaheim, Huntington Beach and Santa Ana
661Bakersfield, Palmdale and Valencia
669San Jose, Campbell and Sunnyvale
707Santa Rosa, Fairfield and Vallejo
714Anaheim, Santa Ana and Orange
738Los Angeles, South Gate and Lsan Da 01
747Burbank, Calabasas and Glendale
760Palm Springs, Vista and Escondido
805Oxnard, Santa Barbara and Thousand Oaks
818Van Nuys, Calabasas and Burbank
820Camarillo, Oxnard and Newbury Park
831Salinas, Santa Cruz and Monterey
837Redding, Auburn and Chico
840San Bernardino, Pomona and Lake Arrowhead
858San Diego, Poway and Chula Vista
909Ontario, San Bernardino and Rancho Cucamonga
916Sacramento, Roseville and Folsom
925Walnut Creek, Concord and Pleasanton
949Irvine, Aliso Viejo and Newport Beach
951Riverside, Corona and Temecula