Mason City, Washington ZIP Code - United States

The location Mason City, WA has an unique ZIP Codes assigned (99116). Although this location name (Mason City, WA) is set as NOT ACCEPTABLE (meaning it is an inadequate city name). So looking for the ZIP Code 99116 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
Coulee Dam, WA	PRIMARY	99116	STANDARD	1.070

Postal Zone of Mason City, WA - USA

Mason City, Washington ZIP Code - United States — ZIP Code Tabulation Areas (ZCTAs) for Mason City, WA ZIP Code. A ZCTA is a generalized area representation of the american ZIP Code service area.

Mason City, WA belongs to which county?

Mason City, WA belongs to Okanogan county. Check the list of Okanogan county ZIP Code.

ZIP Code Washington

Check the list of Washington 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.