Area Code 202-631 located in WASHINGTON, DISTRICT OF COLUMBIA, DC, more detail is as below. Place NPA (Numbering Plan Area) : 202 NXX (Local Number Prefix) : 631 City : WASHINGTON County : DISTRICT OF COLUMBIA State : DC (District of Columbia) NXX Use Type : Wireless NXX Intro Version : 3/22/2006 FIPS (Federal Information Processing Standards) : 11001 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 : 20005 Other Information NPANXX : 202631 County Population : 0 Switch CLLI (Common Language Location Identifier) : ADLPMDMTCM2 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 : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC OCN (Operating Company Number) : 6402 Coverage Area Name : WASHINGTON Latitude : 39.0550 Longitude : -76.8937 ‹ previous : 202-630 next › : 202-632 Telephone Number List 202-631-0000 ~ 202-631-9999