Area Code 341

Area Code 341 is in California

Other California Area Codes
209, 213, 279, 310, 323, 341, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 747, 760, 805, 818, 820, 831, 858, 909, 916, 925, 949, 951

California Area Code Overlays
(310 and 424) - (415 and 628)
(408 and 669) - (714 and 657)
(760 and 442) - (818 and 747)
(820 and 805) - (916 and 279)

Area Code 341 History:

Not yet in service.

The California Public Utilities Commission (CPUC) has approved area code 341 as a distributed overlay of area code 510 with an implementation date of 07/22/2019. Ten digit dialing (area code + seven digit number) will be necessary in the 510/341 overlay effective June 22, 2019 because different homes in the same geographic area can have the same seven digit phone number but each would have a different area code.

Counties in California within area code 341 include:

Alameda County, and Contra Costa County.

Major cities or places in California within area code 341 include:

Area code 341 will serve much of the Eastern Bay area in Alameda County and the western portion of Contra Costa County in California including the larger cities and communities of Alameda, Berkeley, Castro Valley, El Cerrito, Emeryville, Fremont, Hayward, Hercules, Newark, Oakland, Piedmont, Pinole, Richmond, San Leandro, San Lorenzo, San Pablo, and Union City in addition to many smaller communities.

California Area Code Map



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