About this number
(423) 443 is a landline based telephone number operated by Level 3 Communications, LLC - and is located in zip code 37403 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 443. It has an Operating Company Number (OCN) of 4806. A Common Language Location Identifier (CLLI) of CHTGTNNSX8X. As well as a Local access and transport area (LATA) of 472. It was first assigned for usage on 05/07/2002. Zip code 37403 has a population of 5,811 as of the 2010 census.