About this number
(830) 437-0021 is a landline based telephone number operated by Guadalupe Valley Telephone Coo and is located in the city of Cost, Texas and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 830, a Network Numbering Exchange (NXX - also known as a prefix) of 437 and a subscriber number of 0021. It has an Operating Company Number (OCN) of 2083. A Common Language Location Identifier (CLLI) of COSTTXXARS0. As well as a Local access and transport area (LATA) of 566.