Home › California › San Luis Obispo

San Luis Obispo, CA Area Codes

San Luis Obispo, California (population 50,636) uses area codes 805 and 820.

Area code805
Area code820
Time zonePacific
Local time now…
San Luis ObispoOxnardSimi ValleyThousand OaksSanta MariaSan BuenaventuraSanta BarbaraCamarilloLompocMoorparkGoletaSanta PaulaEl Paso de RoblesSan Luis Obispo
San Luis Obispo and nearby cities in area code 805

Carriers with San Luis Obispo numbers

74 prefixes are assigned to the San Luis Obispo exchange: 22% mobile, 19% VoIP and cable, 59% landline.

CarrierPrefixes
AT&T (Pacific Bell)24
Verizon Wireless8
AT&T Mobility5
Lumen (Level 3)3
Onvoy (Sinch)2
Tpx Communications2
Bandwidth2
T-Mobile2

Area codes used in San Luis Obispo

Area codePrefixes serving San Luis ObispoMain carriers in this code
80571Frontier, AT&T (Pacific Bell), Verizon Wireless
8203Fractel, AT&T Mobility, Onvoy (Sinch)

San Luis Obispo phone number prefixes

Numbers starting with these first six digits were originally assigned to the San Luis Obispo exchange.

Nearby cities in area code 805

Questions

What is the area code for San Luis Obispo, CA?
San Luis Obispo uses 2 area codes: 805 and 820. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is San Luis Obispo in?
San Luis Obispo is in the Pacific time zone.