| After Hours Academy - Hoover | 1123 8th St NW, Mason City, IA 50401 | Center |
| Children's House Christian Montessori | 411 S Ohio Ave, Mason City, IA 50401 | Center |
| Clear Lake Head Start | 1304 4th Ave South, Clear Lake, IA 50428 | Center |
| Discovery Time | 100 1st St NE, Mason City, IA 50401 | Center |
| Harding Early Childhood Program | 1239 N Rhode Island Ave, Mason City, IA 50401 | Center |
| Hoover Early Childhood Program | 1123 8th St NW, Mason City, IA 50401 | Center |
| Jefferson Early Childhood Program | 1321 4th St SE, Mason City, IA 50401 | Center |
| Lake Town Charlie Brown | 7B South 8Th Street, Clear Lake, IA 50428 | Center |
| Little Paws Daycare | 105 S East St, Manly, IA 50456 | Center |
| Little Paws Preschool - Project Child Care | 105 S East St, Manly, IA 50456 | Center |
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| Manly Early Head Start | 209 N Broadway, Manly, IA 50456 | Center |
| Mason City Head Start - Daycare | 300 15th St NE, Mason City, IA 50401 | Center |
| Mason City Recreation Before & After School Program - Harding | 1239 N Rhode Island Ave, Mason City, IA 50401 | Center |
| Mason City Recreation Before & After School Program - Roosevelt | 313 15th St SE, Mason City, IA 50401 | Center |
| Newman Childcare & Preschool | 2050 S McKinley, Mason City, IA 50401 | Center |
| Roosevelt Early Childhood Center | 313 15th St SE, Mason City, IA 50401 | Center |
| Sugar Plum Preschool | 213 N Pennsylvania Ave, Mason City, IA 50401 | Center |
| Sunbeam Christian Child Care and Preschool | 419 N Delaware, Mason City, IA 50401 | Center |
| TUG's Connection School Age | 1421 4th Street SE, Mason City, IA 50401 | Center |
| TUG's Daycare & Preschool | 950 N Illinois, Mason City, IA 50401 | Center |
| Washington Charlie Brown | 700 N Washington Ave, Mason City, IA 50401 | Center |
| West Town Charlie Brown | 600 1st St NW Ste 108, Mason City, IA 50401 | Center |
| YMCA Summer Camp After School Program | 1840 S Monroe Ave, Mason City, IA 50401 | Center |