| Business | Phone |
| Church Of God 1321 F Ave, Marengo 52301 | (319) 642-3520 |
| Church Of The Nazarene 553 E Marion St, Marengo 52301 | (319) 642-3673 |
| First Presbyterian Church 902 Marengo Ave, Marengo 52301 | (319) 642-3635 |
| First United Methodist Church 895 Court Ave, Marengo 52301 | (319) 642-3146 |
| Jehovah's Witnesses 2097 Highway 6 Trl, Marengo 52301 | (319) 642-5687 |
| Jehovah's Witnesses Hall 249 E Washington St, Marengo 52301 | (319) 642-5687 |
| St Patricks Church 957 Western Ave, Marengo 52301 | (319) 642-5438 |
| Trinity United Church Of Chris 1895 200th St, Marengo 52301 | (319) 642-3887 |