Parcel Return Service, DCZip code 56999 is an exclusive area in Washington, D.C., home to iconic landmarks such as the White House, the National Mall, and the Washington Monument. This prestigious zip code also includes government buildings like the Capitol and the Smithsonian museums. With its central location and historical significance, zip code 56999 is a hub of political and cultural activity in the nation's capital. |
ZIP code 56999Parcel Return Service, DCUnited StatesUS > DC > District of Columbia County > 56999 Daylight Saving:
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