Area Code 304-772 located in GAP MILLS, MONROE, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 772 City : GAP MILLS County : MONROE State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 54063 LATA (Local Access Transport Area) : 254 Rate Center : UNION ZIP Code Count : 367 ZIP Code Frequency : 20 ZIP Code : 24941 Other Information NPANXX : 304772 County Population : 0 Switch CLLI (Common Language Location Identifier) : UNINWVWBRS1 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FRONTIER WEST VIRGINIA INC. OCN (Operating Company Number) : 9214 Coverage Area Name : UNION Latitude : 37.5905 Longitude : -80.5441 ‹ previous : 304-771 next › : 304-772 Telephone Number List 304-772-0000 ~ 304-772-9999