| Business | Phone |
| St John Evangelical Lutheran 311 S Jackson St, Flanagan 61740 | (815) 796-4595 |
| St Joseph Catholic Church 313 S Main St, Flanagan 61740 | (815) 796-4226 |
| St Petri Church 18079 N 100 East Rd, Flanagan 61740 | (815) 796-2820 |
| Christian Church 109 N Main St, Flanagan 61740 | (815) 796-4423 |
| Salem Church 4925 E 1250 North Rd, Flanagan 61740 | (815) 796-2805 |
| Flanagan United Methodist Chr 111 N Jackson St, Flanagan 61740 | (815) 796-4430 |