| Business | Phone |
| Grace United Church 174 Caithness St E, Caledonia N3W 1C2 | (905) 765-2686 |
| New Life Community Church 859 Haldibrook Rd, Caledonia N3W 1N4 | (905) 765-0332 |
| St Patrick's Catholic Church 107 Orkney St E, Caledonia N3W 1C4 | (905) 765-2729 |
| St Paul Anglican Church 27 Orkney St E, Caledonia N3W 1K9 | (905) 765-2779 |
| Caledonia Baptist Church 401 Argyle St S, Caledonia N3W 1Z2 | (905) 765-4712 |
| Caledonia Alliance Church Po Box 2025, Caledonia N3W 2G6 | (905) 765-5407 |
| Caledonia Presbyterian Church 117 Argyle St N, Caledonia N3W 1B8 | (905) 765-4524 |
| Caledonia Congretional Church 97 Argyle St N, Caledonia N3W 1B8 | (905) 765-4198 |
| Church Of Nazarene 687 Highway 6, Caledonia N3W 1M3 | (905) 765-4173 |