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San Antonio, TX Area Codes

San Antonio, Texas (population 1,548,422) uses area codes 210 and 726.

Area code210
Area code726
Time zoneCentral
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San AntonioKirbyAlamo HeightsLackland AFBWindcrestTerrell HillsSan Antonio
San Antonio and nearby cities in area code 210

Carriers with San Antonio numbers

897 prefixes are assigned to the San Antonio exchange: 34% mobile, 21% VoIP and cable, 44% landline.

CarrierPrefixes
AT&T (Southwestern Bell)280
AT&T Mobility133
T-Mobile105
Verizon Wireless63
Onvoy (Sinch)56
Lumen (Level 3)39
Verizon Business (MCImetro)39
AT&T (Teleport)24

Area codes used in San Antonio

Area codePrefixes serving San AntonioMain carriers in this code
210784AT&T (Southwestern Bell), AT&T Mobility, T-Mobile
726113Onvoy (Sinch), AT&T (Teleport), Fractel

San Antonio phone number prefixes

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

Nearby cities in area code 210

Questions

What is the area code for San Antonio, TX?
San Antonio uses 2 area codes: 210 and 726. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is San Antonio in?
San Antonio is in the Central time zone.