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Austin, TX Area Codes

Austin, Texas (population 1,002,632) uses area codes 512 and 737.

Area code512
Area code737
Time zoneCentral
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AustinRound RockGeorgetownLeanderCedar ParkSan MarcosKylePflugervilleHuttoManorBrushy CreekLakewaySteiner RanchAustin
Austin and nearby cities in area code 512

Carriers with Austin numbers

739 prefixes are assigned to the Austin exchange: 31% mobile, 23% VoIP and cable, 45% landline.

CarrierPrefixes
AT&T (Southwestern Bell)245
AT&T Mobility103
T-Mobile66
Verizon Wireless58
Lumen (Level 3)56
Onvoy (Sinch)49
AT&T (Teleport)22
Bandwidth18

Area codes used in Austin

Area codePrefixes serving AustinMain carriers in this code
512585AT&T (Southwestern Bell), AT&T Mobility, T-Mobile
737154Onvoy (Sinch), T-Mobile, AT&T Mobility

Austin phone number prefixes

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

Nearby cities in area code 512

Questions

What is the area code for Austin, TX?
Austin uses 2 area codes: 512 and 737. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is Austin in?
Austin is in the Central time zone.