Area Code 202-831 located in DC, more detail is as below. Place NPA (Numbering Plan Area) : 202 NXX (Local Number Prefix) : 831 State : DC (District of Columbia) NXX Intro Version : 5/28/2013 Rate Center : WSHNGTNZN1 ZIP Code Count : 0 ZIP Code Frequency : 0 Other Information NPANXX : 202831 County Population : 0 Company : 365 WIRELESS, LLC OCN (Operating Company Number) : 551G Latitude : None Longitude : None ‹ previous : 202-830 next › : 202-832 Telephone Number List 202-831-0000 ~ 202-831-9999