ZIP Code 50704 is located in Waterloo Iowa. 50704 is entirely within Black Hawk County. Regionally, it is located in the Cedar Rapids-Waterloo-Iowa City and Dubuque Area.
| ZIP Code Name | Waterloo |
| Primary County | Black Hawk County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 42.50012589,-92.33883667 |
| Adjacent ZIP Codes | |
| Region | Cedar Rapids-Waterloo-Iowa City and Dubuque Area |
| Metropolitan/Micropolitan Stat Area | Waterloo-Cedar Falls, IA |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |