Home › California › Altadena

Altadena, CA Area Code

Altadena, California (population 41,921) uses area code 626.

Area code626
Time zonePacific
Local time now…

Altadena has no telephone exchange of its own in NANPA records; it is served by the Pasadena exchange about 3.5 km away.

AltadenaPasadenaWest CovinaEl MonteAlhambraBaldwin ParkMonterey ParkHacienda HeightsArcadiaGlendoraRosemeadCovinaAzusaAltadena
Altadena and nearby cities in area code 626

Carriers with Altadena numbers

128 prefixes are assigned to the Pasadena exchange: 33% mobile, 19% VoIP and cable, 48% landline.

CarrierPrefixes
AT&T (Pacific Bell)42
AT&T Mobility18
T-Mobile17
Tpx Communications7
Lumen (Level 3)7
Verizon Wireless6
Verizon Business (MCImetro)5
Onvoy (Sinch)5

Area codes used in Altadena

Area codePrefixes serving AltadenaMain carriers in this code
626128AT&T (Pacific Bell), T-Mobile, AT&T Mobility

Altadena phone number prefixes

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

Nearby cities in area code 626

Questions

What is the area code for Altadena, CA?
The area code for Altadena, California is 626.
What time zone is Altadena in?
Altadena is in the Pacific time zone.