| Business | Phone |
| Center-Religious Education 2445 19th St Sw, Mason City 50401 | (641) 424-0499 |
| Christian Fellowship 1181 15th St Sw, Mason City 50401 | (641) 423-0000 |
| Church Of Christ 710 N Kentucky Ave, Mason City 50401 | (641) 423-7461 |
| Church-Jesus Christ-Lds 1309 S Kentucky Ave, Mason City 50401 | (641) 424-4211 |
| District Office Of Untd Mthdst 5 N Federal Ave 105, Mason City 50401 | (641) 423-5911 |
| Faith Baptist Church 1807 S Kentucky Ave, Mason City 50401 | (641) 423-5793 |
| Fifth Street Church Of Christ 17396 Kingbird Ave, Mason City 50401 | (641) 423-1592 |
| First Assembly Of God 1301 N Carolina Ave, Mason City 50401 | (641) 423-3266 |
| First Baptist Church 125 E State St, Mason City 50401 | (641) 424-3481 |
| First Christian Church 318 N Adams Ave, Mason City 50401 | (641) 423-3519 |
| Church Of The Nazarene 1030 Park Ln, Mason City 50401 | (641) 423-6153 |
| First Congregational Church 100 1st St Ne, Mason City 50401 | (641) 423-0105 |
| First Covenant Church 411 S Ohio Ave, Mason City 50401 | (641) 423-6359 |
| First Presbyterian Church 201 Willowbrook Dr, Mason City 50401 | (641) 424-4273 |
| First United Methodist Church 119 S Georgia Ave, Mason City 50401 | (641) 423-4905 |
| Free Methodist Church 604 23rd St Sw, Mason City 50401 | (641) 423-5249 |
| Grace Evangelical Free Church 440 N Illinois Ave, Mason City 50401 | (641) 423-9401 |
| Grace United Methodist Church 200 14th St Nw, Mason City 50401 | (641) 423-5727 |
| Greek Orthodox Church 1311 2nd St Sw, Mason City 50401 | (641) 423-6238 |
| Hanford Community Church 12411 Spruce Ave, Mason City 50401 | (641) 423-7376 |
| Harvestime Church 804 N Tyler Ave, Mason City 50401 | (641) 424-8182 |
| Holy Family Catholic Church 714 N Adams Ave, Mason City 50401 | (641) 423-7301 |
| Iowa Des Moines Mission 210 N Jefferson Ave 6, Mason City 50401 | (641) 423-7683 |
| Jehovah's Witnesses 4060 4th St Sw, Mason City 50401 | (641) 424-4228 |
| Living Vine Ministries 1043 6th St Sw, Mason City 50401 | (641) 421-8424 |
| Mason City Baptist Church 1805 S Wilson Ave, Mason City 50401 | (641) 423-6687 |
| Mason City Christian Assembly 1819 S Coolidge Ave, Mason City 50401 | (641) 424-4765 |
| Mason City Covenant Church 2402 S Federal Ave, Mason City 50401 | (641) 423-5455 |
| Messiah Lutheran Church 2620 Highway 122 E, Mason City 50401 | (641) 423-2970 |
| New Hope Church 722 1st St Nw, Mason City 50401 | (641) 423-3744 |
| New Life Tabernacle 1416 S Delaware Ave, Mason City 50401 | (641) 424-4005 |
| Our Savior Lutheran Church 2502 S Jefferson Ave, Mason City 50401 | (641) 423-3363 |
| Praise Community Church 2210 S Federal Ave, Mason City 50401 | (641) 421-1701 |
| Prince Of Peace Lutheran Chr 670 12th St Ne, Mason City 50401 | (641) 424-3503 |
| Quaker House 146 6th St Sw, Mason City 50401 | (641) 424-0222 |
| Riverside Friends Church 527 N Kentucky Ave, Mason City 50401 | (641) 424-6094 |
| Rolling Acres Christian Church 340 20th St Sw, Mason City 50401 | (641) 424-1369 |
| Salvation Army Thrift Store 203 1st St Sw, Mason City 50401 | (641) 424-4031 |
| Seventh Day Adventist Church 815 N Kentucky Ave, Mason City 50401 | (641) 424-3055 |
| St James Lutheran Church 1148 4th St Se, Mason City 50401 | (641) 423-4702 |
| St John's Episcopal Church 120 1st St Ne, Mason City 50401 | (641) 424-1300 |
| St Joseph's Catholic 302 5th St Se, Mason City 50401 | (641) 423-5001 |
| St Paul Lutheran Church 329 E State St, Mason City 50401 | (641) 423-7749 |
| Temple Baptist Church 1211 S Kentucky Ave, Mason City 50401 | (641) 423-9965 |
| Trinity Lutheran Church 213 N Pennsylvania Ave, Mason City 50401 | (641) 423-0536 |
| Unitarian Fellowship 803 E State St, Mason City 50401 | (641) 423-1793 |
| United Prayer Tower 1501 S Louisiana Ave, Mason City 50401 | (641) 421-6858 |
| Wesley United Methodist Church 1405 S Pennsylvania Ave, Mason City 50401 | (641) 423-6549 |