Area Code 307-219 located in POWELL, PARK, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 219 City : POWELL County : PARK State : WY (Wyoming) FIPS (Federal Information Processing Standards) : 56029 Rate Center : POWELL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 82435 Other Information NPANXX : 307219 County Population : 0 Switch CLLI (Common Language Location Identifier) : CSPRWYDHDS0 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 307-218 next › : 307-220 Telephone Number List 307-219-0000 ~ 307-219-9999