Waterloo, IA ZIP Code Maps
  

Iowa Gazetteer > Iowa ZIP Codes > Waterloo, IA ZIP Codes

Waterloo, IA ZIP Codes

1. Cities in a ZIP Code may be referred to by more than one name or spelling.
2. Waterloo is the actual or alternate city name associated with 5 ZIP Codes by the US Postal Service.
3. Select a ZIP Code on the map or from the list below, for more detailed information.