Area Code 406-530 located in LAUREL, YELLOWSTONE, MT, more detail is as below. Place NPA (Numbering Plan Area) : 406 NXX (Local Number Prefix) : 530 City : LAUREL County : YELLOWSTONE State : MT (Montana) NXX Use Type : Landline NXX Intro Version : 2005-03-27 FIPS (Federal Information Processing Standards) : 30111 LATA (Local Access Transport Area) : 650 Rate Center : LAUREL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 59044 Other Information NPANXX : 406530 Switch CLLI (Common Language Location Identifier) : BLNGMTWE5MD MSA CBSA (Core Based Statistical Area) : Billings, MT MSA CBSA Code (Core Based Statistical Area) : 13740 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - MT OCN (Operating Company Number) : 9415 Coverage Area Name : LAUREL Latitude : 45.6651 Longitude : -108.7636 ‹ previous : 406-529 next › : 406-531 Telephone Number List 406-530-0000 ~ 406-530-9999