| Business | Phone |
| Alvwood Evangelical Free Chr 58712 County Road 131, Blackduck 56630 | (218) 659-4681 |
| Blackduck Evangelical Free Chr 241 Oscar Ave Sw, Blackduck 56630 | (218) 835-4580 |
| Faith Lutheran Church 481 4th St Ne, Blackduck 56630 | (218) 835-6296 |
| First Lutheran Church Po Box 5, Blackduck 56630 | (218) 835-4763 |
| Holy Trinity Lutheran Church 125 1st St Nw, Blackduck 56630 | (218) 835-4423 |
| Holy Trinity Lutheran/Preschl 125 1st St Nw, Blackduck 56630 | (218) 835-4355 |
| Kingdom Hall-Jehovah's Witness 456 Brandl Dr, Blackduck 56630 | (218) 835-6314 |
| Presbyterian Church 8 2nd St South, Blackduck 56630 | (218) 835-6651 |
| St Ann Catholic Church 388 1st St Ne, Blackduck 56630 | (218) 835-6673 |
| Zion Lutheran Church 217 Main St Nw, Blackduck 56630 | (218) 835-4530 |