About this number
(406) 456 is a landline based telephone number operated by Triangle Telephone Cooperative and is located in zip code 59522 in the city of Chester, Montana, which is in Liberty 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 456. It has an Operating Company Number (OCN) of 2257. A Common Language Location Identifier (CLLI) of SCHSMTXCRS1. As well as a Local access and transport area (LATA) of 648. Zip code 59522 has a population of 1,755 as of the 2010 census.