713 Area Code
Houston (core), Texas
Area code 713 is located in Houston (core), Texas. It covers Houston (central), Bellaire, and surrounding areas in the Central time zone (UTC-6). Administered by NANPA.
Where is area code 713?
Area code 713 is located in Houston (core), Texas. It covers Houston (central), Bellaire, and surrounding areas in the Central time zone (UTC-6).
Area code 713 is overlaid by area code 832. Both codes serve the same geographic region and require 10-digit dialing for local calls.
Cities Covered by Area Code 713
Area code 713 primarily serves the Houston (core) area of Texas. The exact coverage includes Houston (central), Bellaire, and Southside Place, along with surrounding communities and suburbs.
Time Zone
Central Time — UTC-6
Area code 713 operates in the Central Time Zone. When calling 713 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 713
Area code 713 was introduced in 1947 as a geographic area code serving Houston (core), Texas. As demand for phone numbers grew, overlay code 832 was added to the same region, requiring 10-digit dialing for local calls. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.