Columbia Heights, Illinois ZIP Code - United States

The location Columbia Heights, IL has an unique ZIP Codes assigned (61430). Although this location name (Columbia Heights, IL) is set as NOT ACCEPTABLE (meaning it is an inadequate city name). So looking for the ZIP Code 61430 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
East Galesburg, IL	PRIMARY	61430	STANDARD	709
E Galesburg, IL	ACCEPTABLE	61430	STANDARD	709

Postal Zone of Columbia Heights, IL - USA

Columbia Heights, Illinois ZIP Code - United States — ZIP Code Tabulation Areas (ZCTAs) for Columbia Heights, IL ZIP Code. A ZCTA is a generalized area representation of the american ZIP Code service area.

Columbia Heights, IL belongs to which county?

Columbia Heights, IL belongs to Knox county. Check the list of Knox county ZIP Code.

ZIP Code Illinois

Check the list of Illinois 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.