San Antonio, Texas
Central Time Zone (UTC-6) · TX · —
210
⬡ 1947
San Antonio
Texas
Central
+2
329
2024
San Antonio
Texas
Central
Overlay
726
2017
San Antonio
Texas
Central
Overlay
About Area Codes in San Antonio, Texas
San Antonio, Texas is served by 3 area codes: 210, 329, 726. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within San Antonio require 10-digit dialing. The city is in the Central time zone (UTC-6).
Frequently Asked Questions
What area code is San Antonio, Texas?
San Antonio, Texas uses area codes 210 and 329 and 726.
What time zone is San Antonio in?
San Antonio is in the Central time zone (UTC-6).
Do I need to dial 10 digits when calling San Antonio?
Yes, all local calls in San Antonio require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 210 created?
Area code 210 is one of the original 86 area codes established in 1947 as part of the North American Numbering Plan (NANP).
What cities share area code 210 with San Antonio?
Other cities sharing area code 210 with San Antonio include Converse, Live Oak, Schertz, Selma, Universal City, among others.
San Antonio, TX · Central Time Zone