About this number
(406) 685 is a landline based telephone number operated by 3 Rivers Telephone Cooperative and is located in zip code 59735 in the city of Harrison, Montana, which is in Madison County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 406 and Network Numbering Exchange (NXX - also known as a prefix) of 685. It has an Operating Company Number (OCN) of 2255. A Common Language Location Identifier (CLLI) of HRSNMTXCRS1. As well as a Local access and transport area (LATA) of 648. Zip code 59735 has a population of 331 as of the 2010 census.