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NAICS 813410 · Civic and Social Organizations

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Civic organization in Mason City, IA

27 civic organization in Mason City, IA; 148 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. American Legion

    Active501(c)(19) veterans organization

    Mason City, IA

    Ask it
    Proof for American Legion
    IRS exempt-organization registration
    IRS 426057901
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(19) veterans organization
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 426057901 → IRS search

  2. Ancient Free & Accepted Masons of Iowa

    Active501(c)(10) domestic fraternal society

    Mason City, IA

    Ask it
    Proof for Ancient Free & Accepted Masons of Iowa
    IRS exempt-organization registration
    IRS 237503287
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(10) domestic fraternal society
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237503287 → IRS search

  3. Ancient Free & Accepted Masons of Iowa

    Active501(c)(10) domestic fraternal society

    Mason City, IA

    Ask it
    Proof for Ancient Free & Accepted Masons of Iowa
    IRS exempt-organization registration
    IRS 237103942
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(10) domestic fraternal society
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237103942 → IRS search

  4. Clausen-Worden Post 101 Dept of Iowa American Legion Auxiliary

    Active501(c)(19) veterans organization

    Mason City, IA

    Ask it
    Proof for Clausen-Worden Post 101 Dept of Iowa American Legion Auxiliary
    IRS exempt-organization registration
    IRS 426064330
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(19) veterans organization
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 426064330 → IRS search

  5. Daughters of Union Veterans of the Civil War 1861-1865

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Daughters of Union Veterans of the Civil War 1861-1865
    IRS exempt-organization registration
    IRS 237021426
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237021426 → IRS search

  6. Daughters of Union Veterans of the Civil War 1861-1865

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Daughters of Union Veterans of the Civil War 1861-1865
    IRS exempt-organization registration
    IRS 237021445
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237021445 → IRS search

  7. Department of Iowa Auxiliary to the Veterans of Foreign Wars

    Active501(c)(19) veterans organization

    Mason City, IA

    Ask it
    Proof for Department of Iowa Auxiliary to the Veterans of Foreign Wars
    IRS exempt-organization registration
    IRS 711045596
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(19) veterans organization
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 711045596 → IRS search

  8. Harding Elementary Parent Teacher Organization

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Harding Elementary Parent Teacher Organization
    IRS exempt-organization registration
    IRS 421452568
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 421452568 → IRS search

  9. Herbert Hoover Parent Teacher Organizaion

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Herbert Hoover Parent Teacher Organizaion
    IRS exempt-organization registration
    IRS 421146985
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 421146985 → IRS search

  10. International Association of Lions Clubs

    Active501(c)(4) social welfare organization

    Mason City, IA

    Ask it
    Proof for International Association of Lions Clubs
    IRS exempt-organization registration
    IRS 420705815
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(4) social welfare organization
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 420705815 → IRS search

  11. Iowa Operation Lifesaver

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Iowa Operation Lifesaver
    IRS exempt-organization registration
    IRS 300093240
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 300093240 → IRS search

  12. Iowa State Policemens Assn-18

    Active501(c)(4) social welfare organization

    Mason City, IA

    Ask it
    Proof for Iowa State Policemens Assn-18
    IRS exempt-organization registration
    IRS 426081184
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(4) social welfare organization
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 426081184 → IRS search

  13. Iowa Underwater Search & Rescue Inc

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Iowa Underwater Search & Rescue Inc
    IRS exempt-organization registration
    IRS 421510522
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 421510522 → IRS search

  14. Jefferson Parent-Teacher Organization

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Jefferson Parent-Teacher Organization
    IRS exempt-organization registration
    IRS 421271690
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 421271690 → IRS search

  15. Kiwanis International Inc

    Active501(c)(4) social welfare organization

    Mason City, IA

    Ask it
    Proof for Kiwanis International Inc
    IRS exempt-organization registration
    IRS 237273434
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(4) social welfare organization
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237273434 → IRS search

  16. Knights Templar of the United States of America

    Active501(c)(10) domestic fraternal society

    Mason City, IA

    Ask it
    Proof for Knights Templar of the United States of America
    IRS exempt-organization registration
    IRS 237618534
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(10) domestic fraternal society
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237618534 → IRS search

  17. Mason City York Rite Corporation

    Active501(c)(10) domestic fraternal society

    Mason City, IA

    Ask it
    Proof for Mason City York Rite Corporation
    IRS exempt-organization registration
    IRS 833097522
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(10) domestic fraternal society
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 833097522 → IRS search

  18. National Exchange Club

    Active501(c)(4) social welfare organization

    Mason City, IA

    Ask it
    Proof for National Exchange Club
    IRS exempt-organization registration
    IRS 426076102
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(4) social welfare organization
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 426076102 → IRS search

  19. Newman Alumni Corporation

    Active501(c)(4) social welfare organization

    Mason City, IA

    Ask it
    Proof for Newman Alumni Corporation
    IRS exempt-organization registration
    IRS 421277155
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(4) social welfare organization
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 421277155 → IRS search

  20. North Iowa Community Emergency Response Team LLC

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for North Iowa Community Emergency Response Team LLC
    IRS exempt-organization registration
    IRS 271128362
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 271128362 → IRS search

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