About this number
(406) 661 is a wireless/mobile based telephone number operated by Sprint Spectrum L.P.- Mt and is located in zip code 59101 in the city of Billings, Montana, which is in Yellowstone 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 661. It has an Operating Company Number (OCN) of 6034. A Common Language Location Identifier (CLLI) of BLNGMT18CM2. As well as a Local access and transport area (LATA) of 650. Zip code 59101 has a population of 39,562 as of the 2010 census.