Learn about the 357 area code, including its location, cities, time zone, introduction date, and related area codes.
357 Area Code Details
Where Is Area Code 357 Located?
The 357 area code serves communities in California. The exact communities and numbering assignments can change as telephone numbering resources are updated.
357 Area Code Time Zone
The 357 area code is associated with the Pacific time zone.
When Was 357 Area Code Introduced?
The 357 area code was introduced in 26-Mar-2025.
How to Call a 357 Area Code Number
For a call within the same numbering plan, dial the required local number according to your carrier’s dialing rules. For calls from outside the United States, use the United States country code (+1), followed by the area code and seven-digit telephone number.
Related Area Codes
357 Area Code FAQ
What state is 357 area code in?
The 357 area code is associated with California.
What time zone is 357 area code in?
The 357 area code is associated with Pacific.
More Questions About Area Code 357
What state is area code 357 in?
Area code 357 is associated with California.
What time zone is area code 357 in?
The listed time zone for area code 357 is Pacific.