About this number
(254) 789 is a landline based telephone number operated by Windstream Sugar Land, Inc. and is located in zip code 78665 in the city of Round Rock, 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 254 and Network Numbering Exchange (NXX - also known as a prefix) of 789. It has an Operating Company Number (OCN) of 2147. A Common Language Location Identifier (CLLI) of BNHRTXXARS0. As well as a Local access and transport area (LATA) of 556. Zip code 78665 has a population of 35,985 as of the 2010 census.