About this number
(409) 440 is a landline based telephone number operated by Grande Communications Networks and is located in zip code 77002 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 409 and Network Numbering Exchange (NXX - also known as a prefix) of 440. It has an Operating Company Number (OCN) of 7670. A Common Language Location Identifier (CLLI) of HSTNTXCLX5Y. As well as a Local access and transport area (LATA) of 560. Zip code 77002 has a population of 16,793 as of the 2010 census.