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Rancho San Diego, CA Area Codes

Rancho San Diego, California (population 22,264) uses area codes 619 and 858.

Area code619
Area code858
Time zonePacific
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Rancho San Diego has no telephone exchange of its own in NANPA records; it is served by the El Cajon exchange about 5.8 km away.

Rancho San DiegoSan DiegoChula VistaEl CajonLa MesaSanteeNational CityLa PresaSpring ValleyLemon GroveImperial BeachWinter GardensLakesideRancho San Diego
Rancho San Diego and nearby cities in area code 619

Carriers with Rancho San Diego numbers

103 prefixes are assigned to the El Cajon exchange: 36% mobile, 31% VoIP and cable, 33% landline.

CarrierPrefixes
AT&T (Pacific Bell)20
AT&T Mobility17
Verizon Wireless11
Onvoy (Sinch)10
T-Mobile9
Comcast (Xfinity)6
Bandwidth6
Fractel5

Area codes used in Rancho San Diego

Area codePrefixes serving Rancho San DiegoMain carriers in this code
61989AT&T (Pacific Bell), AT&T Mobility, T-Mobile
85814AT&T (Pacific Bell), AT&T Mobility, T-Mobile

Rancho San Diego phone number prefixes

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

Nearby cities in area code 619

Questions

What is the area code for Rancho San Diego, CA?
Rancho San Diego uses 2 area codes: 619 and 858. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is Rancho San Diego in?
Rancho San Diego is in the Pacific time zone.