About this number
(512) 778 is a landline based telephone number operated by Southwestern Bell and is located in zip code 78642 in the city of Liberty Hill, Texas, which is in Williamson County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 512 and Network Numbering Exchange (NXX - also known as a prefix) of 778. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of LBHLTXLHRS0. As well as a Local access and transport area (LATA) of 558. Zip code 78642 has a population of 9,467 as of the 2010 census.