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.

In 2018, the East Bay added the 341 area code as numbers with the 510 area code started to run out. When the change was announced, some pretty notable Oakland residents admitted their affinity for ...

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 ...

The new dialing procedure starts June 22 and paves the way for the addition of the 341 area code to the region served by the 510 code. The changes do not require anyone to change their phone number.

The new dialing procedure starts June 22 and paves the way for the addition of the 341 area code to the region served by the 510 code. The changes do not require anyone to change their phone number.

Beginning Jul. 22, 2019, the 341 area code will be added as an overlay to the 510 region to ensure a continuing supply of telephone numbers for the area, according to the CPUC.

The new 341 code will co-mingle with the 510 area code in the western parts of Alameda and Contra Costa counties, CPUC officials said.

The introduction of a new 341 area code in the East Bay will require new dialing procedures for customers with a 510 area code, the California Public Utilities Commission said Monday. Beginning ...

A new 341 area code will be introduced to the area in July of next year. Customers with a 510 area code will need to dial 1 before the three-digit area code starting in Jun. 2019.