Phone prefix +1-510313
Phone prefix: +1510313
This prefix is distributed within the state California
The largest city within this prefix is Hercules, CA
District: Contra Costa
The largest organization: Teleport Communications Group - San Francisco
Time Zone: Pacific
Winter time: UTC-8
Summer time: UTC-7
The largest city within the prefix of +1-510313.... numbers is shown below
Hercules, CA.