South Houston, Texas
Central Time Zone (UTC-6) · TX · —
713
⬡ 1947
Houston
Texas
Central
+4
281
1996
Houston
Texas
Central
Split
+2
832
2002
Houston
Texas
Central
Overlay
346
2014
Houston
Texas
Central
Overlay
621
2025
Houston
Texas
Central
Overlay
About Area Codes in South Houston, Texas
South Houston, Texas is served by 5 area codes: 713, 281, 832, 346, 621. 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 South Houston require 10-digit dialing. The city is in the Central time zone (UTC-6).
Other cities in area code 713
Frequently Asked Questions
What area code is South Houston, Texas?
South Houston, Texas uses area codes 713 and 281 and 832 and 346 and 621.
What time zone is South Houston in?
South Houston is in the Central time zone (UTC-6).
Do I need to dial 10 digits when calling South Houston?
Yes, all local calls in South Houston require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 713 created?
Area code 713 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 713 with South Houston?
Other cities sharing area code 713 with South Houston include Baytown, Bellaire, Deer Park, Friendswood, Galena Park, among others.
South Houston, TX · Central Time Zone