Area Code 307-325 located in HANNA, CARBON, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 325 City : HANNA County : CARBON State : WY (Wyoming) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 56007 LATA (Local Access Transport Area) : 654 Rate Center : HANNA ZIP Code Count : 359 ZIP Code Frequency : 100 ZIP Code : 82327 Other Information NPANXX : 307325 County Population : 0 Switch CLLI (Common Language Location Identifier) : MNVWWYXCDS0 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : UNION TELEPHONE CO. - WY OCN (Operating Company Number) : 2297 Coverage Area Name : HANNA Latitude : 41.8699 Longitude : -106.5639 ‹ previous : 307-324 next › : 307-326 Telephone Number List 307-325-0000 ~ 307-325-9999