Area Code 307-486 located in CROWHEART, FREMONT, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 486 City : CROWHEART County : FREMONT State : WY (Wyoming) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 56013 LATA (Local Access Transport Area) : 654 Rate Center : CROWHEART ZIP Code Count : 95 ZIP Code Frequency : 100 ZIP Code : 82512 Other Information NPANXX : 307486 County Population : 0 Switch CLLI (Common Language Location Identifier) : CRWHWYXCRS1 MSA CBSA (Core Based Statistical Area) : Riverton, WY MSA CBSA Code (Core Based Statistical Area) : 40180 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : DUBOIS TELEPHONE EXCHANGE, INC. OCN (Operating Company Number) : 2291 Coverage Area Name : CROWHEART Latitude : 43.3094 Longitude : -109.1917 ‹ previous : 307-481 next › : 307-491 Telephone Number List 307-486-0000 ~ 307-486-9999