United States · USA
California (+11) dialing code
California (+11) · California (+11)
Dialing code
+1 310
From abroad
+1 310 123-4567
Dial +1, then the city code 310, then the phone number without the leading zero.
Within the country
1310 123-4567
Dial 1310 followed by the phone number.
How to call California (+11)?
To call California (+11) in United States from abroad, dial the international code +1, followed by the city code 310, then the local number without the leading zero.