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Brentwood, CA Area Code

Brentwood, California (population 66,607) uses area code 925.

Area code925
Time zonePacific
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Brentwood has no telephone exchange of its own in NANPA records; it is served by the Antioch exchange about 8.3 km away.

BrentwoodFremontConcordAntiochSan RamonLivermorePittsburgPleasantonDublinWalnut CreekOakleyDanvilleMartinezBrentwood
Brentwood and nearby cities in area code 925

Carriers with Brentwood numbers

67 prefixes are assigned to the Antioch exchange: 42% mobile, 24% VoIP and cable, 34% landline.

CarrierPrefixes
T-Mobile16
AT&T (Pacific Bell)12
AT&T Mobility7
Onvoy (Sinch)6
Verizon Wireless5
Lumen (Level 3)4
Verizon Business (MCImetro)2
Comcast (Xfinity)2

Area codes used in Brentwood

Area codePrefixes serving BrentwoodMain carriers in this code
92567AT&T (Pacific Bell), AT&T Mobility, Verizon Business (MCImetro)

Brentwood phone number prefixes

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

Nearby cities in area code 925

Questions

What is the area code for Brentwood, CA?
The area code for Brentwood, California is 925.
What time zone is Brentwood in?
Brentwood is in the Pacific time zone.