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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 83-6009365

WYOMING ARCHAEOLOGICAL SOCIETY INC

Tax-exempt · CODY, WY 82414

Address and contacts

Address (IRS master file)
PO BOX 124, CODY, WY 82414-0124
In care of
% SYLVIA HUBER
Mailing address (990-N for 2025)
PO Box 124, Cody WY 82414
Principal officer (990-N for 2025)
Sylvia Huber, PO Box 124, Cody WY 82414

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, 2024990-N on file

File the 2026 990-N for WYOMING ARCHAEOLOGICAL SOCIETY INC

Due August 16, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
83-6009365
Tax-exempt status
501(c)(4): Social welfare organization
Donations deductible
No
Exempt since
1968
Accounting year ends
March
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Sylvia Huber
March 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Sylvia Huber
March 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Carolyn Buff
March 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Carolyn Buff
March 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Carolyn Buff
March 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Carolyn Buff
March 31, 2020≤ $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 83-6009365).

Questions about WYOMING ARCHAEOLOGICAL SOCIETY INC

What is the EIN of WYOMING ARCHAEOLOGICAL SOCIETY INC?
The employer identification number (EIN) of WYOMING ARCHAEOLOGICAL SOCIETY INC is 83-6009365.
Is WYOMING ARCHAEOLOGICAL SOCIETY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 1968.
Are donations to WYOMING ARCHAEOLOGICAL SOCIETY INC tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does WYOMING ARCHAEOLOGICAL SOCIETY INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of WYOMING ARCHAEOLOGICAL SOCIETY INC 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 WYOMING ARCHAEOLOGICAL SOCIETY INC 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 WYOMING ARCHAEOLOGICAL SOCIETY INC?
The 990-N for 2025 names Sylvia Huber.

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