| Business | Phone |
| Grace United Church 301 Broad St E, Dunnville | (905) 774-4504 |
| Grace Reformed Church 514 George St, Dunnville N1A 2T9 | (905) 774-6877 |
| Jehovah's Witnesses Kingdm Hl 612 George St, Dunnville N1A 2T9 | (905) 774-3343 |
| Jubilee Faith Ctr 8151 Regional Rd 63, Dunnville N1A 2W1 | (905) 774-3050 |
| Knox Presbyterian Church 223 Lock St W, Dunnville N1A 1V3 | (905) 774-5970 |
| Maple Creek Community Church 110 Inman Rd, Dunnville N1A 3B8 | (905) 774-6410 |
| Bethany United Church Robinson Rd, Dunnville N1A 2W1 | (905) 774-5238 |
| St Michael's Parish 204 Alder St W, Dunnville N1A 1R4 | (905) 774-6972 |
| St Pauls Anglican Church 233 Lock St W, Dunnville N1A 1V3 | (905) 774-6005 |
| Dunnville Word Of Faith 210 Forest St W, Dunnville N1A 1P1 | (905) 701-1214 |
| Calvary Pentecostal Church 1241 Hwy 3 W, Dunnville N1A 2W4 | (905) 774-7232 |
| Canadian Refrmd Chr-Attercliff 63 Canboro Rd Rr 1, Dunnville N1A 2W1 | (905) 774-3237 |
| Christian Reformed Church 17 Robinson Rd, Dunnville N1A 2W1 | (905) 774-7285 |
| Faith Lutheran Church Hwy 3, Dunnville | (905) 774-3100 |
| Dunn United Church Rr 4 Stn Main, Dunnville N1A 2W3 | (905) 774-1240 |
| First Baptist Church 114 Broad St E, Dunnville N1A 2X5 | (905) 774-7225 |
| Free Methodist Church 181 Cross St E, Dunnville N1A 1B7 | (905) 774-5111 |