Area Code 307-204 located in BUFFALO, JOHNSON, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 204 City : BUFFALO County : JOHNSON State : WY (Wyoming) FIPS (Federal Information Processing Standards) : 56019 Rate Center : BUFFALO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 82834 Other Information NPANXX : 307204 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 : 307-203 next › : 307-205 Telephone Number List 307-204-0000 ~ 307-204-9999
