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Fort Knox, Kentucky ZIP Code - United States

The location Fort Knox, KY has 2 differents ZIP Codes. Check the map below to check your ZIP Code.

City Name ZIP Code ZIP Type Estimated Population
Fort Knox, KY PRIMARY Status defition 40121 STANDARD 6.397
Fort Knox, KY PRIMARY Status defition 40122 STANDARD 0

Postal Zone of Fort Knox, KY - USA

Fort Knox, Kentucky ZIP Code - United States
ZIP Code Tabulation Areas (ZCTAs) for Fort Knox, KY ZIP Code. A ZCTA is a generalized area representation of the american ZIP Code service area.

Fort Knox, KY belongs to which county?

Fort Knox, KY belongs to Hardin county. Check the list of Hardin county ZIP Code.

ZIP Code Kentucky

Check the list of Kentucky 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.