Area Code 304-209 located in KEYSER, MINERAL, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 209 City : KEYSER County : MINERAL State : WV (West Virginia) NXX Use Type : Wireless NXX Intro Version : 2/8/2007 FIPS (Federal Information Processing Standards) : 54057 LATA (Local Access Transport Area) : 240 Rate Center : KEYSER ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 26726 Other Information NPANXX : 304209 County Population : 0 Switch CLLI (Common Language Location Identifier) : MDLDMDAA3MD MSA CBSA (Core Based Statistical Area) : Cumberland, MD-WV MSA CBSA Code (Core Based Statistical Area) : 19060 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - DC OCN (Operating Company Number) : 4036 Coverage Area Name : KEYSER Latitude : 39.4444 Longitude : -78.9755 ‹ previous : 304-208 next › : 304-210 Telephone Number List 304-209-0000 ~ 304-209-9999