The Landline phones in United States are managed by Neutral Tandem-Washington, Dc., Llc - DC. Each individual component of a town within the United States is given a distinctive code, which is the phone exchange and area code. 202 is one such code, that is allotted to a distinct place in Washington, Washington, District Of Columbia. Located in the Eastern (GMT -05:00) time zone. For doing so, you can use the latitude and longitude which in turn correspond to the 38.92 and -77.23 to find out the particular area on the map.