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Mason City, Iowa

Youth and community nonprofits in Mason City, IA

21 tax-exempt youth and community nonprofits based in Mason City, from IRS data.

By type

Amateur sports

Midwest Racing

Mason City, IA 50401

Tax-exempt since 2015 · EIN 46-1397131

Physical fitness and community recreation

Mrom

Mason City, IA 50401

Tax-exempt since 2024 · EIN 99-4433716

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Licensed child care and after-school programs in Mason City · Iowa program rules

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Source: IRS Exempt Organizations Business Master File, posted October 13, 2026. We list 501(c)(3) organizations whose IRS activity code is youth development, amateur sports, camps and recreation, parent-teacher groups, children's services, child day care or arts education. We show the city and ZIP code only, never a street address or contact person. A listing is not an endorsement.