Area Code 202-355 located in WASHINGTON, DISTRICT OF COLUMBIA, DC, more detail is as below. Place NPA (Numbering Plan Area) : 202 NXX (Local Number Prefix) : 355 City : WASHINGTON County : DISTRICT OF COLUMBIA State : DC (District of Columbia) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 11001 LATA (Local Access Transport Area) : 236 Rate Center : WSHNGTNZN1 ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 20018 Other Information NPANXX : 202355 County Population : 0 Switch CLLI (Common Language Location Identifier) : WASHDCCZDS0 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 : XO D.C., INC. OCN (Operating Company Number) : 8964 Coverage Area Name : WASHINGTON Latitude : 39.0587 Longitude : -76.8903 ‹ previous : 202-354 next › : 202-355 Telephone Number List 202-355-0000 ~ 202-355-9999