SAN FRANCISCO (KRON) — Major changes to phone service in San Francisco, Marin and parts of San Mateo are only a few weeks away. It’s all part of the rollout of the new 628 area code which will coexist ...

EAST BAY, Calif. (KGO) -- Something new is coming to the East Bay. It's a new area code: 341. Some might wonder, no big deal. It's just three numbers. There are a number of them already in existence ...

SAN FRANCISCO, June 16, 2014 /PRNewswire/ –The California Public Utilities Commission (CPUC) today reminded residential and business customers served by the 415 area code that they need to prepare for ...

The California Public Utilities Commission approved the new area code Thursday as part of an "overlay" plan for the same geographic region as the existing "415" area code. New telephone numbers will ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (KTXL) — When telephone lines expanded ...