Washington, DCZIP code 20523 is located in Washington, D.C. This ZIP code is home to the United States Naval Observatory, a historic institution responsible for maintaining the country's astronomical and navigational data, as well as serving as the official residence of the Vice President. Other notable landmarks in the area include the British Embassy and several diplomatic residences, making it a hub for international relations and government activities. |
ZIP code 20523Washington, DCUnited StatesUS > DC > District of Columbia County > 20523 Daylight Saving:
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