San Luis Obispo Area Codes

San Luis Obispo is assigned 2 NANP area codes. Compare overlays and cities, then search or buy numbers for this area on PhoneNumbers.com.

Area codes serving San Luis Obispo

California Overlay

California (CA)

Santa Barbara, San Luis Obispo, Oxnard +1 more

TZ: America/Los_Angeles Type: Geographic Overlays: 820

California Overlay

California (CA)

Oxnard, Simi Valley, Thousand Oaks +1 more

TZ: America/Los_Angeles Type: Geographic Overlays: 805

Quick Facts

Location

State/Province California (CA)

Time Zone Pacific Time

Code Details

City San Luis Obispo

Primary Area Code 805

Total Area Codes 2

Other cities that use area code 805

Other places that share area code 805.

Santa Barbara

View details

Oxnard

View details

Simi Valley

View details

Other Area Codes in California

California Overlay

California (CA)

Stockton, Modesto, Merced +1 more

TZ: America/Los_Angeles Type: Geographic Overlays: 350

California Overlay

California (CA)

TZ: America/Los_Angeles Type: Geographic Overlays: 323, 738

California Overlay

California (CA)

Elk Grove, Folsom, Isleton +1 more

TZ: America/Los_Angeles Type: Geographic Overlays: 916

California Overlay

California (CA)

Beverly Hills, Malibu, Torrance +1 more

TZ: America/Los_Angeles Type: Geographic Overlays: 424

California Overlay

California (CA)

TZ: America/Los_Angeles Type: Geographic Overlays: 213, 738

California Overlay

California (CA)

Hayward, Richmond, Crockett

TZ: America/Los_Angeles Type: Geographic Overlays: 510

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Frequently asked questions about San Luis Obispo

What area codes serve San Luis Obispo, California?

San Luis Obispo, California is served by area codes 805 and 820.

What does an overlay mean for San Luis Obispo, California?

An overlay adds one or more new area codes to the same geography so existing numbers keep their code while new numbers may get a different one—ten-digit dialing is usually required.

How do I search phone numbers for San Luis Obispo, California?

Use the search box on this page or PhoneNumbers.com search, then filter by area code, city, or state to browse available numbers.