How to call San Diego in United States from United States:
1 - Exit code when making an international call from United States
1 + (310 or 619 or 760 or 858 or 361) + Local Number - International dialing code format
Note: United States and United States are both members of NANP (North American Numbering Plan) so when calling between these countries, 1 is used in place of the country exit code.
World time zone information: