About this number
(956) 788 is a landline based telephone number operated by At&T Local and is located in zip code 78550 in the city of Harlingen, Texas, which is in Cameron County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 956 and Network Numbering Exchange (NXX - also known as a prefix) of 788. It has an Operating Company Number (OCN) of 7421. A Common Language Location Identifier (CLLI) of HRLNTXATJMD. As well as a Local access and transport area (LATA) of 568. It was first assigned for usage on 05/14/2002. Zip code 78550 has a population of 53,152 as of the 2010 census.