National Mediation Board zip code

Zip code in National Mediation Board, DC

The location National Mediation Board belongs to District of Columbia, state of District of Columbia. National Mediation Board has been assigned with the zip code 20572.

The location name National Mediation Board is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Washington, the official name of the location.

Zip code	Type	Population
20572	UNIQUE	0

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