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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 73-1607832

OKLAHOMA MUSEUM OF TELEPHONE HISTORY

Tax-exempt · OKLAHOMA CITY, OK 73102

Address and contacts

Address (IRS master file)
111 DEAN A MCGEE RM178, OKLAHOMA CITY, OK 73102-6412
Mailing address (990-N for 2023)
111 Dean A McGee rm178, Oklahoma City OK 73102
Principal officer (990-N for 2023)
Jason Constable, 111 Dean A McGee rm178, Oklahoma City OK 73102

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 May, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026Not on file
2024May 31, 2025October 15, 2025Not on file
2023May 31, 2024October 15, 2024990-N on file

File the 2025 990-N for OKLAHOMA MUSEUM OF TELEPHONE HISTORY

Due October 15, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
73-1607832
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
2002
Accounting year ends
May
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2023
Officer: Jason Constable
May 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Jason Constable
May 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Jason Constable
May 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Jason Constable
May 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 73-1607832).

Questions about OKLAHOMA MUSEUM OF TELEPHONE HISTORY

What is the EIN of OKLAHOMA MUSEUM OF TELEPHONE HISTORY?
The employer identification number (EIN) of OKLAHOMA MUSEUM OF TELEPHONE HISTORY is 73-1607832.
Is OKLAHOMA MUSEUM OF TELEPHONE HISTORY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
Are donations to OKLAHOMA MUSEUM OF TELEPHONE HISTORY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does OKLAHOMA MUSEUM OF TELEPHONE HISTORY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of OKLAHOMA MUSEUM OF TELEPHONE HISTORY due?
The return for tax year 2025 (the year ending May 31, 2026) is due October 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did OKLAHOMA MUSEUM OF TELEPHONE HISTORY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2023 for the year ended May 31, 2024.
Who is the principal officer of OKLAHOMA MUSEUM OF TELEPHONE HISTORY?
The 990-N for 2023 names Jason Constable.

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