About this number
(423) 723 is a landline based telephone number operated by Telcove Operations, Inc. - Tn and is located in zip code 37617 in the city of Blountville, Tennessee, which is in Sullivan 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 723. It has an Operating Company Number (OCN) of 8318. A Common Language Location Identifier (CLLI) of BUVLTN01DS0. As well as a Local access and transport area (LATA) of 956. Zip code 37617 has a population of 14,251 as of the 2010 census.