About this number
(865) 856 is a landline based telephone number operated by Bellsouth Telecomm INC DBA Sou and is located in zip code 37742 in the city of Greenback, Tennessee, which is in Loudon County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 865 and Network Numbering Exchange (NXX - also known as a prefix) of 856. It has an Operating Company Number (OCN) of 9419. A Common Language Location Identifier (CLLI) of GRNBTNMARS5. As well as a Local access and transport area (LATA) of 474. Zip code 37742 has a population of 5,837 as of the 2010 census.