Area Code 406-221 located in BUTTE, SILVER BOW, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 221 City : BUTTE County : SILVER BOW State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 2003-08-31 FIPS (Federal Information Processing Standards) : 30093 LATA (Local Access Transport Area) : 648 Rate Center : BUTTE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 59750 Other Information NPANXX : 406221 Switch CLLI (Common Language Location Identifier) : HLNAMTMAKMD MSA CBSA (Core Based Statistical Area) : Butte-Silver Bow, MT MSA CBSA Code (Core Based Statistical Area) : 15580 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : AT&T LOCAL OCN (Operating Company Number) : 7421 Coverage Area Name : BUTTE Latitude : 45.9973 Longitude : -112.5137 ‹ previous : 406-220 next › : 406-222 Telephone Number List 406-221-0000 ~ 406-221-9999
