Area Codes in Waterloo
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 319 | Cedar Rapids, Iowa | Iowa | 126,326 | United States | America/Chicago |
Nearby Cities
| City | Region | Country | Population | Area Codes | Zip Codes |
|---|---|---|---|---|---|
| Cedar Falls, Iowa | Iowa | United States | 39,260 | 319, 641 | 50613, 50614 |
| Dewar, Iowa | Iowa | United States | — | 319 | 50623 |
| Evansdale, Iowa | Iowa | United States | 4,751 | 319 | 50707 |
| Hudson, Iowa | Iowa | United States | 2,282 | 319 | 50643 |
| Raymond, Iowa | Iowa | United States | 788 | 319 | 50667 |