| Business | Phone |
| Bridge Community Church 27415 School Rd, Crestline 92325 | (909) 336-3559 |
| Celebration Centre 23978 Lake Dr, Crestline 92325 | (909) 338-7521 |
| Celebration Centre 565 Forest Shade Dr, Crestline 92325 | (909) 338-7521 |
| Christian Science Reading Room 23575 Lake Dr, Crestline 92325 | (909) 338-1959 |
| Church Of Christ Scientist Po Box 3667, Crestline 92325 | (909) 338-1959 |
| Church Of Jesus Christ Of Lds 294 Fernwood Dr, Crestline 92325 | (909) 338-6786 |
| Crestline Community Prsbtrn 23594 Lake Dr, Crestline 92325 | (909) 338-3304 |
| First Baptist Church 533 Springy Path, Crestline 92325 | (909) 338-1918 |
| Lake Gregory Community Church 460 Pine Dr, Crestline 92325 | (909) 338-2813 |
| Mountain Christian Life Church 23484 Lake Dr, Crestline 92325 | (909) 338-3213 |
| New Wine Christian Fellowship 267 Highway 138, Crestline 92325 | (909) 338-6077 |
| Seventh-Day Adventist Church 22972 Waters Dr, Crestline 92325 | (909) 338-5848 |
| Shiloh Christian Community Center 170 S Dart Canyon Rd, Crestline 92325 | (909) 338-4846 |
| St Francis Xavier Cabrini Chr 23079 Crest Forest Dr, Crestline 92325 | (909) 338-2303 |