Area Code 307-664 located in FRANNIE, PARK, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 664 City : FRANNIE County : PARK State : WY (Wyoming) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 56029 LATA (Local Access Transport Area) : 654 Rate Center : FRANNIE ZIP Code Count : 104 ZIP Code Frequency : 43 ZIP Code : 82423 Other Information NPANXX : 307664 County Population : 0 Switch CLLI (Common Language Location Identifier) : FRNNWYXCRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : TCT WEST, INC. OCN (Operating Company Number) : 3411 Coverage Area Name : DEAVER Latitude : 44.9663 Longitude : -108.6190 ‹ previous : 307-663 next › : 307-664 Telephone Number List 307-664-0000 ~ 307-664-9999