61277 Zip Code
| City: | Prophetstown |
| State: | IL |
| County: | Whiteside County |
| Area Codes: | 815, 309 |
| Latitude: | 41.66 |
| Longitude: | -89.93 |
| Time Zone: | America/Chicago |
| Population in 2010: | 3,355 |
| School District: | Annawan Community Unit School District 226 |
| District Code: | 3810 |