ZIP CodesZIP codes in Black Hawk County, Iowa
Black Hawk County, Iowa has 13 ZIP codes in this list, from 50613 to 50707. They cover 9 places, among them Waterloo, Cedar Falls, Dewar and Dunkerton.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 50613 | Cedar Falls | 128 | 42.524, -92.450 |
| 50614 | Cedar Falls | no area | 42.470, -92.309 |
| 50623 | Dewar | 2.1 | 42.525, -92.221 |
| 50626 | Dunkerton | 50.6 | 42.578, -92.159 |
| 50634 | Gilbertville | 0.4 | 42.416, -92.215 |
| 50643 | Hudson | 57.6 | 42.391, -92.455 |
| 50651 | La Porte City | 114 | 42.342, -92.186 |
| 50667 | Raymond | 1.9 | 42.467, -92.216 |
| 50701 | Waterloo | 79.1 | 42.478, -92.366 |
| 50702 | Waterloo | 9.8 | 42.473, -92.337 |
| 50703 | Waterloo | 93.2 | 42.515, -92.327 |
| 50704 | Waterloo | no area | 42.470, -92.309 |
| 50707 | Evansdale | 8.2 | 42.475, -92.281 |
The ZIP code areas of Black Hawk County add up to about 545 square miles of land (1,411 sq km) as the Census Bureau draws them. The largest is 50613 (Cedar Falls), with 128 square miles.
Places with more than one code here: Waterloo (4 codes), Cedar Falls (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Cedar Falls, IA 50613.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.