ZIP codes in Waterloo, Iowa
Waterloo has 4 ZIP codes in this directory. Each ZIP is listed with its county, population and time zone.
| ZIP | County | Population | Time zone |
|---|---|---|---|
| 50701 | Black Hawk | 68,460 | America/Chicago |
| 50702 | Black Hawk | 68,460 | America/Chicago |
| 50703 | Black Hawk | 68,460 | America/Chicago |
| 50704 | Black Hawk | 68,460 | America/Chicago |
About Waterloo ZIP codes
ZIP codes in Waterloo are part of the USPS delivery network for Iowa. The codes above are ordered numerically; each links to a page with coordinates, nearby ZIPs and more detail. Population shown is the estimated population of the city: 68,460.