Area Code 202-320 located in BETHESDA, MONTGOMERY, DC, more detail is as below. Place NPA (Numbering Plan Area) : 202 NXX (Local Number Prefix) : 320 City : BETHESDA County : MONTGOMERY State : DC (District of Columbia) NXX Use Type : Wireless NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 24031 LATA (Local Access Transport Area) : 236 Rate Center : WSHNGTNZN1 ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 20816 Other Information NPANXX : 202320 County Population : 0 Switch CLLI (Common Language Location Identifier) : WASHDCDTX6X 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 : NEW CINGULAR WIRELESS PCS, LLC - DC OCN (Operating Company Number) : 4036 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 : 202-320 next › : 202-321 Telephone Number List 202-320-0000 ~ 202-320-9999