| Business | Phone |
| Advent Christian Church 215 S 8th St, Watertown 53094 | (920) 261-4237 |
| Apostolic Gospel Lighthouse 311 S 5th St, Watertown 53094 | (920) 261-7344 |
| Assembly Of God Church 21 Pawnee St, Watertown 53094 | (920) 261-7922 |
| Calvary Baptist Church 792 Milford St, Watertown 53094 | (920) 261-7237 |
| Chapel 210 N Montgomery St, Watertown 53094 | (920) 261-0338 |
| Christ United Methodist Church 112 Hall St, Watertown 53094 | (920) 261-0736 |
| Christian Life Fellowship 211 S 3rd St, Watertown 53094 | (920) 261-7397 |
| Church Of Christ 213 S Monroe St, Watertown 53094 | (920) 261-4402 |
| Ebenezer Moravian Church N8095 High Rd, Watertown 53094 | (920) 206-0222 |
| Faith Lutheran Church 626 Milford St, Watertown 53094 | (920) 261-8060 |
| Fellowship Baptist Church N605 Welsh Rd, Watertown 53098 | (920) 261-1004 |
| First Baptist Church 160 Oakridge Ct, Watertown 53094 | (920) 261-3970 |
| First United Church Of Christ 120 Kuckkan Ln, Watertown 53094 | (920) 261-6213 |
| Immanuel Evangelical Lutheran 204 N 10th St, Watertown 53094 | (920) 261-1663 |
| Immanuel Lutheran Chr-Lebanon N572 County Road R, Watertown 53098 | (920) 925-3540 |
| Immanuel Lutheran Church N1210 Rich Rd, Watertown 53098 | (920) 262-0327 |
| Immanuel Lutheran Church W6815 Reamer Rd, Watertown 53094 | (920) 262-0327 |
| Moravian Church 510 Cole St, Watertown 53094 | (920) 261-7494 |
| Moravian Ministries Foundation 1020 Hill St, Watertown 53098 | (920) 206-7433 |
| Watertown Community Church 106 E Madison St, Watertown 53094 | (920) 206-0599 |
| Watertown Family Church 110 S 2nd St, Watertown 53094 | (920) 262-1525 |
| St Henry Catholic Church 1121 Highland Ave, Watertown 53098 | (920) 261-3253 |
| St Henry Catholic Church 412 N 4th St, Watertown 53094 | (920) 261-7273 |
| St John's Lutheran 304 N 6th St, Watertown 53094 | (920) 261-5959 |
| St Luke's Lutheran Church 301 Clark St, Watertown 53094 | (920) 261-2120 |
| St Marks Lutheran Church 215 N 6th St, Watertown 53094 | (920) 262-8500 |
| St Marks Lutheran Church N1119 Rich Rd, Watertown 53098 | (920) 262-0327 |
| St Paul's Episcopal Chr 413 S 2nd St, Watertown 53094 | (920) 261-1150 |
| Trinity Lutheran Chr Wels 605 S 4th St, Watertown 53094 | (920) 261-3511 |
| Trinity Lutheran Church 604 S 5th St, Watertown 53094 | (920) 261-3511 |
| River Valley Alliance Church 610 Welsh Rd, Watertown 53098 | (920) 261-4342 |
| Seventh Day Adventist Church 500 S 5th St, Watertown 53094 | (920) 261-4783 |
| St Bernard's Catholic 114 S Church St, Watertown 53094 | (920) 261-5133 |