Area Code 406-228 located in GLASGOW, VALLEY, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 228 City : GLASGOW County : VALLEY State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 30105 LATA (Local Access Transport Area) : 650 Rate Center : GLASGOW ZIP Code Count : 2229 ZIP Code Frequency : 100 ZIP Code : 59230 Other Information NPANXX : 406228 Switch CLLI (Common Language Location Identifier) : GLSGMTXCDS0 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : NEMONT TELEPHONE COOPERATIVE, INC. OCN (Operating Company Number) : 2247 Coverage Area Name : GLASGOW Latitude : 48.1937 Longitude : -106.6411 ‹ previous : 406-227 next › : 406-229 Telephone Number List 406-228-0000 ~ 406-228-9999
