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Nonprofit · EIN 84-6025656

OPTIMIST INTERNATIONAL

Also known as 25185 OC OF DENVER-SOUTH CO

Tax-exempt · DENVER, CO 80222

Address and contacts

Address (IRS master file)
2575 S DAHLIA ST, DENVER, CO 80222-6559
In care of
% DANIEL J WHERLEY
Mailing address (990-N for 2025)
2575 S Dahlia St, Denver CO 80222
Principal officer (990-N for 2025)
Daniel J Wherley, 2575 So Dahlia St, Denver CO 80222

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in March, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025March 31, 2026August 17, 2026990-N on file
2024March 31, 2025August 15, 2025990-N on file
2023March 31, 2024August 15, 2024Check at the IRS

IRS record

EIN
84-6025656
Tax-exempt status
501(c)(4): Social welfare organization
Donations deductible
No
Exempt since
1953
Accounting year ends
March
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Daniel J Wherley
March 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Bruce Ogin
March 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Bruce Ogin
March 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Bruce Ogin
March 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: DANIEL WHERLEY
March 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2017
Officer: Bruce Ogin
March 31, 2018≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 84-6025656).

Questions about OPTIMIST INTERNATIONAL

What is the EIN of OPTIMIST INTERNATIONAL?
The employer identification number (EIN) of OPTIMIST INTERNATIONAL is 84-6025656.
Is OPTIMIST INTERNATIONAL tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 1953.
Are donations to OPTIMIST INTERNATIONAL tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does OPTIMIST INTERNATIONAL file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of OPTIMIST INTERNATIONAL due?
The return for tax year 2026 (the year ending March 31, 2027) is due August 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did OPTIMIST INTERNATIONAL last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended March 31, 2026.
Who is the principal officer of OPTIMIST INTERNATIONAL?
The 990-N for 2025 names Daniel J Wherley.

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