Optimist International
Optimist International is a civic organization in Yankton, SD. Its IRS exempt-organization registration 510205995 is active on the issuer's file, checked Oct 23, 2026.
Optimist International
Civic organization · Yankton, SD
IRS exempt-organization registration 510205995Activechecked Oct 23, 2026
- Class501(c)(4) social welfare organization
- WhereYankton, SD · serves South Dakota
Optimist International has not claimed its listing, so it takes no requests here yet. Contact them directly.
Listing details
What the issuer's record says
- Status
- IRS exempt-organization registration active
- IRS exempt-organization registration
- US-IRS-EO 510205995
- Classes
- 501(c)(4) social welfare organization
- Checked
- Oct 23, 2026, against the IRS exempt organizations (EO BMF)
The business
- What they do
- Civic organization
- Where
- Yankton, SD
- Serves
- South Dakota
- Listing updated
- Oct 24, 2026
- Listing
- Built from public records. Not claimed yet.
From the government record
- Licensed Not in the record IRS exempt-organization registration 510205995 is active; it is a registration, not a license.
Checked Oct 23, 2026 from the IRS exempt organizations (EO BMF) · view record
- Bonded Not in the record The IRS exempt organizations (EO BMF) does not say whether the business is bonded.
Checked Oct 23, 2026 from the IRS exempt organizations (EO BMF) · view record
- Insured Not in the record The IRS exempt organizations (EO BMF) does not say whether the business is insured.
Checked Oct 23, 2026 from the IRS exempt organizations (EO BMF) · view record
More civic organization in Yankton
American Legion
Yankton, SD
Proof for American Legion
- IRS exempt-organization registration
- IRS 466012435
- Issuer
- IRS
- Status
- Active
- Class
- 501(c)(19) veterans organization
- Checked
- Oct 23, 2026
- Where
- Yankton, SD · serves South Dakota
- Listing
- Built from public records. Not claimed yet, so call them directly.
American Legion
Yankton, SD
Proof for American Legion
- IRS exempt-organization registration
- IRS 466015087
- Issuer
- IRS
- Status
- Active
- Class
- 501(c)(19) veterans organization
- Checked
- Oct 23, 2026
- Where
- Yankton, SD · serves South Dakota
- Listing
- Built from public records. Not claimed yet, so call them directly.
American Legion Auxiliary
Yankton, SD
Proof for American Legion Auxiliary
- IRS exempt-organization registration
- IRS 466013417
- Issuer
- IRS
- Status
- Active
- Class
- 501(c)(19) veterans organization
- Checked
- Oct 23, 2026
- Where
- Yankton, SD · serves South Dakota
- Listing
- Built from public records. Not claimed yet, so call them directly.
Proof for Ancient & Accepted Scottish Rite of Free Masonry Southern Jurisdiction
- IRS exempt-organization registration
- IRS 460355837
- Issuer
- IRS
- Status
- Active
- Class
- 501(c)(10) domestic fraternal society
- Checked
- Oct 23, 2026
- Where
- Yankton, SD · serves South Dakota
- Listing
- Built from public records. Not claimed yet, so call them directly.
Proof for Ancient Free & Accepted Masons of South Dakota
- IRS exempt-organization registration
- IRS 237264906
- Issuer
- IRS
- Status
- Active
- Class
- 501(c)(10) domestic fraternal society
- Checked
- Oct 23, 2026
- Where
- Yankton, SD · serves South Dakota
- Listing
- Built from public records. Not claimed yet, so call them directly.
Run this business? Claim it free and get a free AI front desk.Claim this listing
Listing updated Oct 24, 2026. Hide an address, correct or remove this listing.