Area Code 240-378 located in CUMBERLAND, ALLEGANY, MD, more detail is as below. Place NPA (Numbering Plan Area) : 240 NXX (Local Number Prefix) : 378 City : CUMBERLAND County : ALLEGANY State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 2000-10-31 FIPS (Federal Information Processing Standards) : 24001 LATA (Local Access Transport Area) : 240 Rate Center : CUMBERLAND ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 21502 Other Information NPANXX : 240378 County Population : 0 Switch CLLI (Common Language Location Identifier) : MTARMDSD00T 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 : CORE COMMUNICATIONS, INC. - MD OCN (Operating Company Number) : 2593 Coverage Area Name : CUMBERLAND Latitude : 39.6506 Longitude : -78.7549 ‹ previous : 240-377 next › : 240-379 Telephone Number List 240-378-0000 ~ 240-378-9999