Area Code 307-388 located in CODY, PARK, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 388 City : CODY County : PARK State : WY (Wyoming) NXX Use Type : Wireless NXX Intro Version : 1995-02-11 FIPS (Federal Information Processing Standards) : 56029 LATA (Local Access Transport Area) : 654 Rate Center : WORLAND ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 82414 Other Information NPANXX : 307388 County Population : 0 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 : WORLAND Latitude : 44.0162 Longitude : -107.9548 ‹ previous : 307-386 next › : 307-389 Telephone Number List 307-388-0000 ~ 307-388-9999