About this number
(956) 319 is a landline based telephone number operated by At&T Local and is located in zip code 78040 in the city of Laredo, Texas, which is in Webb 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 319. It has an Operating Company Number (OCN) of 7421. A Common Language Location Identifier (CLLI) of LARDTXAC1MD. As well as a Local access and transport area (LATA) of 566. Zip code 78040 has a population of 42,083 as of the 2010 census.