50704 ZIP Code — Waterloo, IA
Black Hawk County, Iowa
ZIP code 50704 is located in Waterloo, Iowa, within Black Hawk County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 319.
0
population
0.00
sq mi land
Standard
ZIP type
Central (CT)
timezone
50704 ZIP code map
Cities in ZIP code 50704
Below are the cities the US Postal Service accepts for ZIP code 50704. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Waterloo | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 19 |
| County FIPS | 013 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 42.4929 |
| Longitude | -92.3426 |
| Timezone | Central (CT) |
| Area code | 319 |