San Luis Obispo, California

Pacific Time Zone (UTC-8) · CA ·

About Area Codes in San Luis Obispo, California

San Luis Obispo, California is served by 2 area codes: 805, 820. 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 San Luis Obispo require 10-digit dialing. The city is in the Pacific time zone (UTC-8).

Frequently Asked Questions

What area code is San Luis Obispo, California?
San Luis Obispo, California uses area codes 805 and 820.
What time zone is San Luis Obispo in?
San Luis Obispo is in the Pacific time zone (UTC-8).
Do I need to dial 10 digits when calling San Luis Obispo?
Yes, all local calls in San Luis Obispo require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 805 created?
Area code 805 was established in 1957 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 805 with San Luis Obispo?
Other cities sharing area code 805 with San Luis Obispo include Atascadero, Camarillo, Goleta, Lompoc, Moorpark, among others.

San Luis Obispo, CA · Pacific Time Zone