Area Code 307-754 located in POWELL, PARK, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 754 City : POWELL 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 : POWELL ZIP Code Count : 3976 ZIP Code Frequency : 97 ZIP Code : 82435 Other Information NPANXX : 307754 County Population : 0 Switch CLLI (Common Language Location Identifier) : POWLWYMARS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9636 Coverage Area Name : POWELL Latitude : 44.7543 Longitude : -108.7595 ‹ previous : 307-754 next › : 307-755 Telephone Number List 307-754-0000 ~ 307-754-9999