| Postal Service | Cedar Falls |
| Division | Black Hawk |
| Post code | 50613 |
| Postal Service | Waterloo |
| Division | Black Hawk |
| Post code | 50701 |
| Postal Service | Waterloo |
| Division | Black Hawk |
| Post code | 50702 |
| Postal Service | Waterloo |
| Division | Black Hawk |
| Post code | 50703 |
| Postal Service | Evansdale |
| Division | Black Hawk |
| Post code | 50707 |
| Postal Service | La Porte City |
| Division | Black Hawk |
| Post code | 50651 |
| Postal Service | Hudson |
| Division | Black Hawk |
| Post code | 50643 |
| Postal Service | Dunkerton |
| Division | Black Hawk |
| Post code | 50626 |
| Postal Service | Raymond |
| Division | Black Hawk |
| Post code | 50667 |
| Postal Service | Gilbertville |
| Division | Black Hawk |
| Post code | 50634 |
9 City in Black Hawk | List of Zip Codes Location In Iowa and Your selected County Black Hawk