Area Code 202-640 located in MOUNT RAINIER, PRINCE GEORGES, DC, more detail is as below. Place NPA (Numbering Plan Area) : 202 NXX (Local Number Prefix) : 640 City : MOUNT RAINIER County : PRINCE GEORGES State : DC (District of Columbia) NXX Use Type : Wireless NXX Intro Version : 5/18/2006 FIPS (Federal Information Processing Standards) : 24033 LATA (Local Access Transport Area) : 236 Rate Center : WSHNGTNZN1 ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 20712 Other Information NPANXX : 202640 County Population : 0 Switch CLLI (Common Language Location Identifier) : BTVLMD12CM1 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 Company : OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC OCN (Operating Company Number) : 6855 Coverage Area Name : WASHINGTON Flags : The State for this record does not match the State for the ZIP Code. To keep with data reporting, the state for the Area Code is used. Latitude : 38.9010 Longitude : -77.0315 ‹ previous : 202-639 next › : 202-641 Telephone Number List 202-640-0000 ~ 202-640-9999