Area Code 240-284 located in FROSTBURG, ALLEGANY, MD, more detail is as below. Place NPA (Numbering Plan Area) : 240 NXX (Local Number Prefix) : 284 City : FROSTBURG County : ALLEGANY State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 2005-03-27 FIPS (Federal Information Processing Standards) : 24001 LATA (Local Access Transport Area) : 240 Rate Center : FROSTBURG ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 21532 Other Information NPANXX : 240284 County Population : 0 Switch CLLI (Common Language Location Identifier) : FRDRMDFRTMD 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 Overlay : L Company : LEVEL 3 COMMUNICATIONS, LLC - MD OCN (Operating Company Number) : 6119 Coverage Area Name : FROSTBURG Latitude : 39.6503 Longitude : -78.9266 ‹ previous : 240-283 next › : 240-285 Telephone Number List 240-284-0000 ~ 240-284-9999