Area Code 406-938 located in ALZADA, CARTER, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 938 City : ALZADA County : CARTER State : MT (Montana) NXX Use Type : Wireless NXX Intro Version : 5/9/2007 FIPS (Federal Information Processing Standards) : 30011 LATA (Local Access Transport Area) : 650 Rate Center : ALZADA ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 59311 Other Information NPANXX : 406938 Switch CLLI (Common Language Location Identifier) : ALZDMTAACM1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CABLE & COMMUNICATIONS CORPORATION OCN (Operating Company Number) : 6783 Coverage Area Name : ALZADA Latitude : 45.0292 Longitude : -104.4113 ‹ previous : 406-937 next › : 406-939 Telephone Number List 406-938-0000 ~ 406-938-9999