×
the ant game

Union, Iowa ZIP Code - United States

The location Union, IA has 2 differents ZIP Codes. Check the map below to check your ZIP Code.

City Name ZIP Code ZIP Type Estimated Population
Union, IA PRIMARY Status defition 50258 STANDARD 678
Union, IA IMPROPER Status defition 50259 STANDARD 0

Postal Zone of Union, IA - USA

Union, Iowa ZIP Code - United States
ZIP Code Tabulation Areas (ZCTAs) for Union, IA ZIP Code. A ZCTA is a generalized area representation of the american ZIP Code service area.

Union, IA belongs to which county?

Union, IA belongs to Hardin county. Check the list of Hardin county ZIP Code.

ZIP Code Iowa

Check the list of Iowa ZIP Code.

ZIP Code United States

If you want to restart your search by state, get back to US ZIP Code.

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.