About this number
(423) 699 is a landline based telephone number operated by Na Communications, Inc. and is located in zip code 37683 in the city of Mountain City, Tennessee, which is in Johnson 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 699. It has an Operating Company Number (OCN) of 8945. A Common Language Location Identifier (CLLI) of MTCYTN0100T. As well as a Local access and transport area (LATA) of 956. Zip code 37683 has a population of 13,021 as of the 2010 census.