About this number
(713) 534-0040 is a landline based telephone number operated by Southwestern Bell and is located in zip code 77023 in the city of Houston, Texas, which is in Harris County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 713, a Network Numbering Exchange (NXX - also known as a prefix) of 534 and a subscriber number of 0040. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of HSTNTXGRDS0. As well as a Local access and transport area (LATA) of 560. It was first assigned for usage on 01/01/1901. Zip code 77023 has a population of 28,998 as of the 2010 census.