Area Code 307-467 located in ALVA, CROOK, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 467 City : ALVA County : CROOK State : WY (Wyoming) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 56011 LATA (Local Access Transport Area) : 654 Rate Center : HULETT ZIP Code Count : 34 ZIP Code Frequency : 6 ZIP Code : 82711 Other Information NPANXX : 307467 County Population : 0 Switch CLLI (Common Language Location Identifier) : HLTTWYXCRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : RT COMMUNICATIONS OCN (Operating Company Number) : 3410 Coverage Area Name : ALVA Latitude : 44.6840 Longitude : -104.5979 ‹ previous : 307-467 next › : 307-467 Telephone Number List 307-467-0000 ~ 307-467-9999