| Business | Phone |
| Big Timber Church Of God 216 E 2nd Ave, Big Timber 59011 | (406) 932-5331 |
| Big Timber Lutheran Church 115 W 4th Ave, Big Timber 59011 | (406) 932-5723 |
| Boulder Valley Baptist Church Big Timber 59011 | (406) 932-4950 |
| St Joseph's Catholic Church 910 Mcleod St, Big Timber 59011 | (406) 932-4728 |
| St Mark's Episcopal Church 207 W 4th Ave, Big Timber 59011 | (406) 932-5712 |
| Church Of Jesus Christ Of Lds 1110 E 2nd Ave, Big Timber 59011 | (406) 932-5101 |
| Seventh Day Adventist Church 209 E 4 Av Big Timber, Big Timber 59011 | (406) 932-5740 |
| Evangelical Church 302 Bramble St, Big Timber 59011 | (406) 932-5637 |
| Evangelical Free Church 601 E 4th Ave, Big Timber 59011 | (406) 932-5782 |
| First Congregational Church 402 Anderson, Big Timber 59011 | (406) 932-5736 |