Area Code 304-306 located in SUMERCO, LINCOLN, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 306 City : SUMERCO County : LINCOLN State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 2005-03-27 FIPS (Federal Information Processing Standards) : 54043 LATA (Local Access Transport Area) : 254 Rate Center : CHRLSTNZN7 ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 25567 Other Information NPANXX : 304306 County Population : 0 Switch CLLI (Common Language Location Identifier) : PRBGWVKTZMD MSA CBSA (Core Based Statistical Area) : Charleston, WV MSA CBSA Code (Core Based Statistical Area) : 16620 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : SPRINT COMMUNICATIONS COMPANY, L.P. - WV OCN (Operating Company Number) : 8938 Coverage Area Name : ALUM CREEK Latitude : 38.2833 Longitude : -81.8187 ‹ previous : 304-305 next › : 304-306 Telephone Number List 304-306-0000 ~ 304-306-9999