| Business | Phone |
| Word Of God Ministries 31 Palm Dr, Fairfield 6825 | (203) 333-4643 |
| Assumption Church 545 Stratfield Rd, Fairfield 6825 | (203) 333-9065 |
| Trinity Baptist Church 300 N Benson Rd, Fairfield 6824 | (203) 255-3977 |
| Trinity-St Michael's Parish 554 Tunxis Hill Rd, Fairfield 6825 | (203) 368-3225 |
| Black Rock Congregational Chr 3685 Black Rock Tpke, Fairfield 6825 | (203) 255-3401 |
| Black Rock Missionary House 150 Lindamir Ln, Fairfield 6824 | (203) 255-3401 |
| St Anthony's Rc Church 149 S Pine Creek Rd, Fairfield 6824 | (203) 259-0358 |
| St Emery's Rc Church 838 Kings Hwy E, Fairfield 6825 | (203) 334-0312 |
| St Paul's Episcopal Church 661 Old Post Rd, Fairfield 6824 | (203) 259-3013 |
| St Pius X Church 834 Brookside Dr, Fairfield 6824 | (203) 255-6134 |
| St Thomas Church 1719 Post Rd, Fairfield 6824 | (203) 255-1097 |
| St Timothy's Episcopal Church 4670 Congress St, Fairfield 6824 | (203) 255-2740 |
| Calvin United Church Of Christ 901 Kings Hwy E, Fairfield 6825 | (203) 335-7217 |
| Church Of God 14 Windsor Pl, Fairfield 6824 | (203) 333-0505 |
| Church Of Latter Day Saints 652 Black Rock Tpke, Fairfield 6825 | (203) 332-7210 |
| Fairfield Grace United Methodi 1089 Fairfield Woods Rd, Fairfield 6825 | (203) 372-1476 |
| Our Saviour's Lutheran Church 160 Hill Farm Rd, Fairfield 6824 | (203) 255-0545 |
| First Baptist Church 65 Church Hill Rd, Fairfield 6825 | (203) 334-3303 |
| First Church Congregational 148 Beach Rd, Fairfield 6824 | (203) 259-8396 |
| First Presbyterian Church 2475 Easton Tpke, Fairfield 6825 | (203) 374-6176 |
| Greenfield Hill Congregational 1045 Old Academy Rd, Fairfield 6824 | (203) 259-5596 |
| Holy Cross Church 750 Tahmore Dr, Fairfield 6825 | (203) 372-4595 |
| Holy Family Church 700 Old Stratfield Rd, Fairfield 6825 | (203) 336-1835 |
| Jehovah's Witnesses 40 Hillside Rd, Fairfield 6824 | (203) 255-2264 |