OAKLAND (CBS SF) -- East Bay residents: get your 510 area code number now, before you lose your chance in 2018. The California Public Utilities Commission expects that available numbers in the 510 ...

The California Public Utilities Commission, or CPUC, approved 341 as another area code for parts of Alameda and Contra Costa counties' phone numbers on Thursday, as the 510 area code comes close to ...

A new area code arrived in Northern California on Monday as telecom companies began distributing phone numbers beginning with 350. The new area code was added due to high demand for phone numbers in ...