Area Code 307-578 located in CODY, PARK, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 578 City : CODY 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 : CODY ZIP Code Count : 7 ZIP Code Frequency : 100 ZIP Code : 82414 Other Information NPANXX : 307578 County Population : 0 Switch CLLI (Common Language Location Identifier) : CODYWYMADS0 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9636 Coverage Area Name : CODY Latitude : 44.5230 Longitude : -109.0576 ‹ previous : 307-577 next › : 307-586 Telephone Number List 307-578-0000 ~ 307-578-9999