Porterville, California

Pacific Time Zone (UTC-8) · CA ·

About Area Codes in Porterville, California

Porterville, California is served by 2 area codes: 559, 357. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Porterville require 10-digit dialing. The city is in the Pacific time zone (UTC-8).

Frequently Asked Questions

What area code is Porterville, California?
Porterville, California uses area codes 559 and 357.
What time zone is Porterville in?
Porterville is in the Pacific time zone (UTC-8).
Do I need to dial 10 digits when calling Porterville?
Yes, all local calls in Porterville require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 559 created?
Area code 559 was established in 1998 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 559 with Porterville?
Other cities sharing area code 559 with Porterville include Clovis, Dinuba, Fresno, Hanford, Kingsburg, among others.

Porterville, CA · Pacific Time Zone