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Cupertino, CA Area Codes

Cupertino, California (population 58,333) uses area codes 669 and 408.

Area code669
Area code408
Time zonePacific
Local time now…

Cupertino has no telephone exchange of its own in NANPA records; it is served by the Saratoga exchange about 5.9 km away.

CupertinoSan JoseSunnyvaleSanta ClaraMilpitasGilroyMorgan HillCampbellLos GatosSaratogaAlum RockEast FoothillsSan MartinCupertino
Cupertino and nearby cities in area code 669

Carriers with Cupertino numbers

35 prefixes are assigned to the Saratoga exchange: 57% mobile, 23% VoIP and cable, 20% landline.

CarrierPrefixes
AT&T Mobility11
T-Mobile9
Onvoy (Sinch)4
AT&T (Pacific Bell)4
Verizon Business (MCImetro)2
Comcast (Xfinity)1
Fractel1
AT&T (Teleport)1

Area codes used in Cupertino

Area codePrefixes serving CupertinoMain carriers in this code
66920Onvoy (Sinch), T-Mobile, Fractel
40815AT&T (Pacific Bell), AT&T Mobility, Verizon Wireless

Cupertino phone number prefixes

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

Nearby cities in area code 669

Questions

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