Area Code 406-442 located in HELENA, LEWIS AND CLARK, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 442 City : HELENA County : LEWIS AND CLARK State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 30049 LATA (Local Access Transport Area) : 648 Rate Center : HELENA ZIP Code Count : 4967 ZIP Code Frequency : 85 ZIP Code : 59601 Other Information NPANXX : 406442 Switch CLLI (Common Language Location Identifier) : HLNAMTMADS0 MSA CBSA (Core Based Statistical Area) : Helena, MT MSA CBSA Code (Core Based Statistical Area) : 25740 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9636 Coverage Area Name : HELENA Latitude : 46.5896 Longitude : -112.0391 ‹ previous : 406-442 next › : 406-443 Telephone Number List 406-442-0000 ~ 406-442-9999
