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Santa Clara, CA Area Codes

Santa Clara, California (population 133,446) uses area codes 408 and 669.

Area code408
Area code669
Time zonePacific
Local time now…

Santa Clara has no telephone exchange of its own in NANPA records; it is served by the Sunnyvale exchange about 5.7 km away.

Santa ClaraSan JoseSalinasSunnyvaleMilpitasGilroyCupertinoMorgan HillCampbellLos GatosSaratogaAlum RockEast FoothillsSanta Clara
Santa Clara and nearby cities in area code 408

Carriers with Santa Clara numbers

123 prefixes are assigned to the Sunnyvale exchange: 21% mobile, 29% VoIP and cable, 50% landline.

CarrierPrefixes
AT&T (Pacific Bell)45
T-Mobile13
Verizon Business (MCImetro)11
Lumen (Level 3)9
AT&T Mobility8
Onvoy (Sinch)8
Metropcs6
Verizon Wireless5

Area codes used in Santa Clara

Area codePrefixes serving Santa ClaraMain carriers in this code
40896AT&T (Pacific Bell), AT&T Mobility, Verizon Wireless
66927Onvoy (Sinch), T-Mobile, Fractel

Santa Clara phone number prefixes

Numbers starting with these first six digits were originally assigned to the Sunnyvale exchange.

Nearby cities in area code 408

Questions

What is the area code for Santa Clara, CA?
Santa Clara uses 2 area codes: 408 and 669. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is Santa Clara in?
Santa Clara is in the Pacific time zone.