Washington Zip Code
View all zip codes in WA or use the free zip code Washington ZIP Codes. Detailed information on every zip code in Washington. Washington is a city of District Of Columbia, District Of Columbia in the region of the USA. Zip Codes for the State of Washington. City of Washington, DC - DISTRICT OF COLUMBIA County District of Columbia ZIP Codes. District of Columbia zip codes and information. Washington Zip Code Map - This map contains all Washington postal codes assigned to its counties, towns and cities. This list of all Washington ZIP codes may be of interest to those looking for answers to queries such as. City of Washington, DC Demographic Information. ZIP Code List Printable Map Elementary Schools High Schools.