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341 Area Code

Major City:Oakland
Current Time:

History of area code 341

341 was first put in service July 22, 2019. It was created from area code 510.

Where is area code 341

Area code 341 serves Oakland, CA and the surrounding areas. It is an overlay for area code 510 and serves the same area.

What time zone is area code 341?

The 341 area code is located in the Pacific timezone. The Pacific time zone is also known as America/Los_Angeles

area code 341

341 area code map

Top 2 Counties in Area Code 341

CountyTotal Population% of 341% of County
Alameda, CA1,510,27176%49%
Contra Costa, CA1,049,02524%16%

Top 33 Cities in Area Code 341

CityTotal Population% of 341% of City
Oakland, CA390,72415%100%
Fremont, CA214,08916%99%
Hayward, CA144,18612%97%
Berkeley, CA112,5803%100%
Richmond, CA103,70110%100%
San Leandro, CA84,9503%100%
Alameda, CA73,8124%100%
Union City, CA69,5164%100%
Castro Valley, CA61,3883%100%
Newark, CA42,5733%100%
San Pablo, CA29,1390%100%
Hercules, CA24,0603%100%
El Cerrito, CA23,5491%100%
San Lorenzo, CA23,4521%100%
Ashland, CA21,9250%100%
Albany, CA18,5391%100%
Pinole, CA18,3903%100%
Cherryland, CA14,7280%100%
El Sobrante, CA12,6691%100%
Piedmont, CA10,6670%100%
Emeryville, CA10,0800%100%
Fairview, CA10,0031%100%
Rodeo, CA8,6791%100%
Tara Hills, CA5,1260%100%
Kensington, CA5,0770%100%
North Richmond, CA3,7170%100%
East Richmond Heights, CA3,2800%100%
Crockett, CA3,0940%100%
Rollingwood, CA2,9690%100%
Montalvin Manor, CA2,8760%100%
Bayview, CA1,7540%100%
Port Costa, CA1900%100%
Sunol, CA9130%8%

Largest Landline Carriers in area code341


Largest Wireless Carriers in area code341


Prefixes in area code341

PrefixUsagePrimary CityCarrierIntroduced