Area Code 406-370 located in MISSOULA, MISSOULA, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 370 City : MISSOULA County : MISSOULA State : MT (Montana) NXX Use Type : Wireless NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 30063 LATA (Local Access Transport Area) : 648 Rate Center : MISSOULA ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 59802 Other Information NPANXX : 406370 Switch CLLI (Common Language Location Identifier) : HLNAMTHUCM1 MSA CBSA (Core Based Statistical Area) : Missoula, MT MSA CBSA Code (Core Based Statistical Area) : 33540 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT OCN (Operating Company Number) : 6564 Coverage Area Name : MISSOULA Latitude : 46.8681 Longitude : -114.0008 ‹ previous : 406-370 next › : 406-371 Telephone Number List 406-370-0000 ~ 406-370-9999