Area Code 304-409 located in BLUEFIELD, MERCER, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 409 City : BLUEFIELD County : MERCER State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 2003-05-09 FIPS (Federal Information Processing Standards) : 54055 LATA (Local Access Transport Area) : 932 Rate Center : BLUEWELL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 24701 Other Information NPANXX : 304409 County Population : 0 Switch CLLI (Common Language Location Identifier) : BLFDWVXA1MD MSA CBSA (Core Based Statistical Area) : Bluefield, WV-VA MSA CBSA Code (Core Based Statistical Area) : 14140 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - WV OCN (Operating Company Number) : 9944 Coverage Area Name : BLUEWELL Latitude : 37.3144 Longitude : -81.2095 ‹ previous : 304-408 next › : 304-410 Telephone Number List 304-409-0000 ~ 304-409-9999