| Business | Phone |
| Assembly Of God Church Prosser 825 6th St, Prosser 99350 | (509) 786-3953 |
| Central Christian Church 1000 6th St, Prosser 99350 | (509) 786-1700 |
| Church Of God 1332 Meade Ave, Prosser 99350 | (509) 786-2440 |
| Church-Jesus Christ-Lds 1835 Highland Dr, Prosser 99350 | (509) 786-3860 |
| Church Of The Nazarene 1937 Highland Dr, Prosser 99350 | (509) 786-1335 |
| El Buen Samaritano 1102 Court St, Prosser 99350 | (509) 786-2583 |
| First Baptist Church 956 S Kinney Way, Prosser 99350 | (509) 786-1501 |
| First Presbyterian Church 912 Yakima Ave, Prosser 99350 | (509) 786-1594 |
| Friendship Baptist Church 1801 Paterson Rd, Prosser 99350 | (509) 786-2929 |
| Grace Fellowship 520 7th St, Prosser 99350 | (509) 788-0078 |
| Jehovah's Witnesses 330 S Nunn Rd, Prosser 99350 | (509) 786-1870 |
| Messiah Lutheran Church 801 Luther Ln, Prosser 99350 | (509) 786-2011 |
| Methodist Church United 824 6th St, Prosser 99350 | (509) 786-1097 |
| New Hope Cowboy Church 1400 Paterson Rd, Prosser 99350 | (509) 786-3911 |
| Prosser Church Of Christ 1115 Grant Ave, Prosser 99350 | (509) 786-2099 |
| Sacred Heart Church 1905 Highland Dr, Prosser 99350 | (509) 786-1783 |
| Seventh Day Adventist Church 7th & Dudleyamp;, Prosser 99350 | (509) 786-3098 |
| St Matthews Episcopal Church 317 7th St, Prosser 99350 | (509) 786-1703 |