Area Code 240-456 located in LAUREL, PRINCE GEORGES, MD, more detail is as below. Place NPA (Numbering Plan Area) : 240 NXX (Local Number Prefix) : 456 City : LAUREL County : PRINCE GEORGES State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 24033 LATA (Local Access Transport Area) : 236 Rate Center : LAUREL236 ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 20707 Other Information NPANXX : 240456 County Population : 0 Switch CLLI (Common Language Location Identifier) : LARLMDLRDS0 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 : LAUREL Latitude : 39.1038 Longitude : -76.8499 ‹ previous : 240-456 next › : 240-457 Telephone Number List 240-456-0000 ~ 240-456-9999