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Willowbrook, CA Area Codes

Willowbrook, California (population 21,642) uses area codes 310, 424 and 562.

Area code310
Area code424
Area code562
Time zonePacific
Local time now…

Willowbrook has no telephone exchange of its own in NANPA records; it is served by the Compton exchange about 3.1 km away.

WillowbrookTorranceInglewoodCarsonComptonSanta MonicaHawthorneRedondo BeachLynwoodFlorence-GrahamGardenaRancho Palos VerdesCulver CityWillowbrook
Willowbrook and nearby cities in area code 310

Carriers with Willowbrook numbers

295 prefixes are assigned to the Compton exchange: 37% mobile, 20% VoIP and cable, 43% landline.

CarrierPrefixes
AT&T (Pacific Bell)73
AT&T Mobility48
T-Mobile33
Verizon Wireless24
Spok17
Onvoy (Sinch)17
Verizon Business (MCImetro)12
Tpx Communications10

Area codes used in Willowbrook

Area codePrefixes serving WillowbrookMain carriers in this code
310168AT&T (Pacific Bell), Frontier, AT&T Mobility
42467Onvoy (Sinch), T-Mobile, Bandwidth
56260Frontier, T-Mobile, AT&T Mobility

Willowbrook phone number prefixes

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

Nearby cities in area code 310

Questions

What is the area code for Willowbrook, CA?
Willowbrook uses 3 area codes: 310, 424 and 562. Different parts of the area are served by different codes.
What time zone is Willowbrook in?
Willowbrook is in the Pacific time zone.