Washington, DCZIP code 20317 belongs to the Northwest Washington, D.C. area. It is home to the United States Naval Observatory, an important scientific institution responsible for providing astronomical data to the U.S. Navy and other government agencies. This ZIP code also includes the Vice President's official residence, the Naval Observatory Complex, and the Eleanor Holmes Norton House, a historic residence named after the longtime D.C. delegate. |
ZIP code 20317Washington, DCUnited StatesUS > DC > District of Columbia County > 20317 Daylight Saving:
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