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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 23-7122769

WYOMING ARCHAEOLOGICAL FOUNDATION INC

Tax-exempt · LARAMIE, WY 82073

Address and contacts

Address (IRS master file)
PO BOX 2168, LARAMIE, WY 82073-2168
Mailing address (990-N for 2025)
PO Box 2168, Laramie WY 82073
Principal officer (990-N for 2025)
Marcia Peterson, PO Box 2168, Laramie WY 82073

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 FOUNDATION INC

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

IRS record

EIN
23-7122769
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1971
Accounting year ends
March
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Marcia Peterson
March 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Marcia Peterson
March 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Marcia Peterson
March 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Marcia Peterson
March 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Marcia Peterson
March 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Marcia Peterson
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 23-7122769).

Questions about WYOMING ARCHAEOLOGICAL FOUNDATION INC

What is the EIN of WYOMING ARCHAEOLOGICAL FOUNDATION INC?
The employer identification number (EIN) of WYOMING ARCHAEOLOGICAL FOUNDATION INC is 23-7122769.
Is WYOMING ARCHAEOLOGICAL FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1971.
Are donations to WYOMING ARCHAEOLOGICAL FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does WYOMING ARCHAEOLOGICAL FOUNDATION INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of WYOMING ARCHAEOLOGICAL FOUNDATION 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 FOUNDATION 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 FOUNDATION INC?
The 990-N for 2025 names Marcia Peterson.

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