Area Code 307-391 located in MOORCROFT, CROOK, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 391 City : MOORCROFT County : CROOK State : WY (Wyoming) NXX Use Type : Wireless NXX Intro Version : 2005-06-25 FIPS (Federal Information Processing Standards) : 56011 LATA (Local Access Transport Area) : 654 Rate Center : MOORCROFT ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 82721 Other Information NPANXX : 307391 County Population : 0 Switch CLLI (Common Language Location Identifier) : NWCSWY020MD Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC OCN (Operating Company Number) : 6010 Coverage Area Name : MOORCROFT Latitude : 44.2633 Longitude : -104.9470 ‹ previous : 307-390 next › : 307-392 Telephone Number List 307-391-0000 ~ 307-391-9999