Area Code 406-826 located in PLAINS, SANDERS, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 826 City : PLAINS County : SANDERS State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 30089 LATA (Local Access Transport Area) : 648 Rate Center : PLAINS ZIP Code Count : 1412 ZIP Code Frequency : 91 ZIP Code : 59859 Other Information NPANXX : 406826 Switch CLLI (Common Language Location Identifier) : PLNSMTXCRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : BLACKFOOT TELEPHONE COOPERATIVE, INC. OCN (Operating Company Number) : 2235 Coverage Area Name : PLAINS Latitude : 47.4574 Longitude : -114.8772 ‹ previous : 406-826 next › : 406-827 Telephone Number List 406-826-0000 ~ 406-826-9999