Area Code 240-492 located in SUITLAND, PRINCE GEORGES, MD, more detail is as below. Place NPA (Numbering Plan Area) : 240 NXX (Local Number Prefix) : 492 City : SUITLAND County : PRINCE GEORGES State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 24033 LATA (Local Access Transport Area) : 236 Rate Center : WSHNGTNZN5 ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 20746 Other Information NPANXX : 240492 County Population : 0 Switch CLLI (Common Language Location Identifier) : TYCRVA03DS0 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 : US LEC OF MARYLAND, INC. OCN (Operating Company Number) : 2589 Coverage Area Name : CAPITOL HEIGHTS Latitude : 38.8841 Longitude : -76.9175 ‹ previous : 240-491 next › : 240-492 Telephone Number List 240-492-0000 ~ 240-492-9999