Area Code 307-208 located in DOUGLAS, CONVERSE, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 208 City : DOUGLAS County : CONVERSE State : WY (Wyoming) FIPS (Federal Information Processing Standards) : 56009 Rate Center : DOUGLAS ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 82633 Other Information NPANXX : 307208 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 : 307-207 next › : 307-209 Telephone Number List 307-208-0000 ~ 307-208-9999