Area Code 307-422 located in WHEATLAND, PLATTE, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 422 City : WHEATLAND County : PLATTE State : WY (Wyoming) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 56031 LATA (Local Access Transport Area) : 654 Rate Center : CHUGWATER ZIP Code Count : 27 ZIP Code Frequency : 10 ZIP Code : 82201 Other Information NPANXX : 307422 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHGWWYXCDS0 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CHUGWATER TELEPHONE CO. OCN (Operating Company Number) : 2289 Coverage Area Name : CHUGWATER Latitude : 41.7580 Longitude : -104.8218 ‹ previous : 307-421 next › : 307-422 Telephone Number List 307-422-0000 ~ 307-422-9999