| Business | Phone |
| Trinity Lutheran Church 605 W Seminary Ave, Onarga 60955 | (815) 387-2381 |
| St John Lutheran Church 1180 E 1000 North Rd, Onarga 60955 | (815) 457-2909 |
| Onarga Christian Church 309 W Seminary Ave, Onarga 60955 | (815) 268-4545 |
| Onarga United Methodist Church 109 E Seminary Ave, Onarga 60955 | (815) 268-4320 |