Area Code 240-379 located in FREDERICK, FREDERICK, MD, more detail is as below. Place NPA (Numbering Plan Area) : 240 NXX (Local Number Prefix) : 379 City : FREDERICK County : FREDERICK State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 2001-03-03 FIPS (Federal Information Processing Standards) : 24021 LATA (Local Access Transport Area) : 240 Rate Center : FREDERICK ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 21703 Other Information NPANXX : 240379 County Population : 0 Switch CLLI (Common Language Location Identifier) : FRDRMDFRDS0 MSA CBSA (Core Based Statistical Area) : Washington-Arlington-Alexandria, DC-VA-MD-WV MSA CBSA Code (Core Based Statistical Area) : 47900 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Overlay : L Company : VERIZON MARYLAND, INC. OCN (Operating Company Number) : 9212 Coverage Area Name : FREDERICK Latitude : 39.4148 Longitude : -77.4123 ‹ previous : 240-378 next › : 240-380 Telephone Number List 240-379-0000 ~ 240-379-9999
