Area Code 307-249 located in BIG PINEY, SUBLETTE, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 249 City : BIG PINEY County : SUBLETTE State : WY (Wyoming) NXX Use Type : Landline NXX Intro Version : 2005-03-27 FIPS (Federal Information Processing Standards) : 56035 Rate Center : BIG PINEY ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 83113 Other Information NPANXX : 307249 County Population : 0 Switch CLLI (Common Language Location Identifier) : MRTNWY01DSO Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 307-248 next › : 307-250 Telephone Number List 307-249-0000 ~ 307-249-9999