About this number
(830) 454 is a landline based telephone number operated by Gte-Sw DBA Verizon Sw Inc.-Tx and is located in zip code 78636 in the city of Johnson City, Texas, which is in Blanco County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 830 and Network Numbering Exchange (NXX - also known as a prefix) of 454. It has an Operating Company Number (OCN) of 4344. A Common Language Location Identifier (CLLI) of JHCYTXXADS0. As well as a Local access and transport area (LATA) of 566. It was first assigned for usage on 06/20/2001. Zip code 78636 has a population of 3,749 as of the 2010 census.