Area Code 406-377 located in GLENDIVE, DAWSON, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 377 City : GLENDIVE County : DAWSON State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 30021 LATA (Local Access Transport Area) : 650 Rate Center : GLENDIVE ZIP Code Count : 1846 ZIP Code Frequency : 100 ZIP Code : 59330 Other Information NPANXX : 406377 Switch CLLI (Common Language Location Identifier) : GLNDMTAJRS0 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : MID-RIVERS TELEPHONE COOPERATIVE, INC. OCN (Operating Company Number) : 7830 Coverage Area Name : GLENDIVE Latitude : 47.1047 Longitude : -104.7685 ‹ previous : 406-376 next › : 406-378 Telephone Number List 406-377-0000 ~ 406-377-9999
