| Business | Phone |
| Bethel Lutheran Brethren Chr 651 W Madison St, Ottawa 61350 | (815) 434-7113 |
| Calvary Baptist Church 1931 Pratt Ln, Ottawa 61350 | (815) 434-5424 |
| Christ Episcopal Church 113 E Lafayette St, Ottawa 61350 | (815) 434-0627 |
| Christian Church South Side 1180 Catherine St, Ottawa 61350 | (815) 434-3717 |
| Church Of Christ 1782 E Gentleman Rd, Ottawa 61350 | (815) 433-3300 |
| Church-Jesus Christ-Lds 1377 Adams St, Ottawa 61350 | (815) 433-1197 |
| Deer Park Community Church Deer Park, Ottawa 61350 | (815) 434-3703 |
| Epworth United Methodist Chr 627 Gentleman Rd, Ottawa 61350 | (815) 434-4416 |
| Evangelical United Methodist 1116 Illinois Ave, Ottawa 61350 | (815) 434-0598 |
| Faith Lutheran Church 1611 Adams St, Ottawa 61350 | (815) 434-7017 |
| First Assembly Of God 1131 1st Ave, Ottawa 61350 | (815) 433-3524 |
| First Baptist Church 103 W Mckinley Rd, Ottawa 61350 | (815) 433-0239 |
| Church Of The Nazarene 4161 Columbus St, Ottawa 61350 | (815) 434-3794 |
| First Congregational 907 Paul St, Ottawa 61350 | (815) 433-0771 |
| First Presbyterian Church 114 E Jefferson St, Ottawa 61350 | (815) 433-1045 |
| First United Methodist Church 100 W Jefferson St, Ottawa 61350 | (815) 433-1060 |
| Freedom Lutheran Church 1527 E Us Highway 52, Ottawa 61350 | (815) 792-8642 |
| Grace Baptist Church 601 E Mckinley Rd, Ottawa 61350 | (815) 433-0187 |
| Heritage Christian Ctr 128 E Madison St, Ottawa 61350 | (815) 434-0507 |
| Illinois Valley Evangelical 215 W Washington St, Ottawa 61350 | (815) 434-7230 |
| Jehovah's Witnesses Canal Rd, Ottawa 61350 | (815) 434-6404 |
| Living Hope Baptist Church 1001 Clinton St, Ottawa 61350 | (815) 434-5411 |
| Ministry Of Christ Comm Church 110 W Mckinley Rd, Ottawa 61350 | (815) 434-5007 |
| Ottawa Lighthouse 200 E Campbell St, Ottawa 61350 | (815) 431-9920 |
| Praise Center Assembly Of God 3040 E 18th Rd, Ottawa 61350 | (815) 434-3600 |
| Salvation Army Thrift Store 516 W Madison St, Ottawa 61350 | (815) 433-0798 |
| Seventh Day Adventist Church 1429 Catherine St, Ottawa 61350 | (815) 434-4281 |
| South Side Church-Nazarene 1130 1st Ave, Ottawa 61350 | (815) 433-4098 |
| St Columba Church 122 W Washington St, Ottawa 61350 | (815) 433-0700 |
| St Francis Of Assisi Church 820 Sanger St, Ottawa 61350 | (815) 434-0969 |
| St Marys Catholic Church 2005 Center St, Ottawa 61350 | (815) 433-2404 |
| St Patrick's Rectory 726 W Jefferson St, Ottawa 61350 | (815) 434-0768 |
| Zion Lutheran Preschool 622 W Jefferson St, Ottawa 61350 | (815) 433-1408 |
| Trinity Lutheran Church 717 Chambers St, Ottawa 61350 | (815) 434-0596 |