About this number
(281) 331 is a landline based telephone number operated by Southwestern Bell and is located in zip code 77511 in the city of Alvin, Texas, which is in Brazoria County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 281 and Network Numbering Exchange (NXX - also known as a prefix) of 331. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of ALVNTXALDS0. As well as a Local access and transport area (LATA) of 560. Zip code 77511 has a population of 46,627 as of the 2010 census.