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20388 ZIP Code - United States

This ZIP Code belongs to the following areas. Below you can see the map of the postal area.

City City ZIP Type Estimated Population
Washington Navy Yard, DC PRIMARY Significado STANDARD 0
Washington, DC ACCEPTABLE Significado STANDARD 0
Washington Na, DC ACCEPTABLE Significado STANDARD 0
Naval Investigative Service, DC NOT ACCEPTABLE Significado STANDARD 0

Postal Zone from ZIP Code 20388 - United States

ZIP Code District of Columbia

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United States ZIP Code

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Status Definitions
  • PRIMARY: means an the primary city name. Official city name, although the city name might also have another acceptable name.
  • ACCEPTABLE: means an adequate city name. City names that are abbreviated will frequently be listed as unacceptable because abbreviations are not an acceptable city name format.
  • NOT ACCEPTABLE: Means an inadequate city name has been entered or received based on information entered.
  • UNIQUE: Assigned to a company, government agency, or entity with sufficient mail volume, based on average daily volume of letter size mail received, availability of ZIP Code numbers in the postal area, and the US mail service cost-benefit analysis.