Library Of Congress, District of Columbia ZIP Code - United States

The location Library Of Congress, DC has an unique ZIP Codes assigned (20540). Although this location name (Library Of Congress, DC) is set as NOT ACCEPTABLE (meaning it is an inadequate city name). So looking for the ZIP Code 20540 we have found out the following locations (for your mailing or form filling you should use an ACCEPTABLE or PRIMARY location name).

	City Name	ZIP Code	ZIP Type	Estimated Population
Washington, DC	PRIMARY	20540	UNIQUE	0

Postal Zone of Library Of Congress, DC - USA

Library Of Congress, District of Columbia ZIP Code - United States — ZIP Code Tabulation Areas (ZCTAs) for Library Of Congress, DC ZIP Code. A ZCTA is a generalized area representation of the american ZIP Code service area.

Library Of Congress, DC belongs to which county?

Library Of Congress, DC belongs to District of Columbia county. Check the list of District of Columbia county ZIP Code.

ZIP Code District of Columbia

Check the list of District of Columbia ZIP Code.

ZIP Code United States

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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.
IMPROPER/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.