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Alamo Heights, TX Area Codes

Alamo Heights, Texas (population 7,632) uses area codes 210 and 726.

Area code210
Area code726
Time zoneCentral
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Alamo Heights has no telephone exchange of its own in NANPA records; it is served by the San Antonio exchange about 5.9 km away.

Alamo HeightsSan AntonioKirbyLackland AFBWindcrestTerrell HillsAlamo Heights
Alamo Heights and nearby cities in area code 210

Carriers with Alamo Heights 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 Alamo Heights

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

Alamo Heights 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 Alamo Heights, TX?
Alamo Heights 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 Alamo Heights in?
Alamo Heights is in the Central time zone.