About this number
(423) 643 is a landline based telephone number operated by Electric Power Board Of Chatta and is located in zip code 37404 in the city of Chattanooga, Tennessee, which is in Hamilton County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 423 and Network Numbering Exchange (NXX - also known as a prefix) of 643. It has an Operating Company Number (OCN) of 4645. A Common Language Location Identifier (CLLI) of CHTGTN48DS0. As well as a Local access and transport area (LATA) of 472. It was first assigned for usage on 08/14/2002. Zip code 37404 has a population of 13,327 as of the 2010 census.