In California, there were three original area codes: 916, 213, and in the Bay Area, 415. The East Bay got "510" in 1991. California has 34 area codes. Since 2016, 10 have been added.

The 341 area code is being added because 510 numbers are in short supply. The new dialing policy starts on June 22.

The 510 area code was created in 1991, split off from the 415 area code. The 510 area code was split again in 1998 to create the 925 area code. For live, local news, download the KRONon app.

It’s all to prepare for the new 341 area code going into effect July 22. The 341 area code joins the 510 area code in the western parts of Alameda and Contra Costa Counties.

Next month telephone customers in the 510 area code must dial 1 plus the area code and the number to make any call to the 510 or the new 341 area code, according to the California Public Utilities ...

Seven years later, the 510 area code was split to add the 925 area code. The Bay Area now has eight area codes — 707, 415, 628, 925, 510, 650, 408 and 669.

No one with an existing 510 phone number will have their area code changed. Instead, anyone requesting new phone numbers in the region will receive the new area code once it's implemented.

The 510 area code serves the cities of Alameda, Albany, Berkeley, Emeryville, Fremont, Hayward, Newark, Oakland, Piedmont, San Leandro and Union City in Alameda County; and the cities of El ...

First there was 510, then came 925, and now, parts of the East Bay will welcome a new telephone area code: 341.

The volunteer period comes as the CPUC prepares to unveil in 2019 the 341 area code in some areas that carry the 510. Next month, customers will be required to dial 510 with any call within that ...

The new area code will be added to the existing 510 area code territory, which covers western Contra Costa County and Alameda County and includes the cities of Richmond, Oakland, Hayward and Fremont.