Skip to main content

Nonprofit · EIN 33-0207800

ORANGE COUNTY MATHEMATICS COUNCIL

Tax-exempt · ANAHEIM, CA 92808

Address and contacts

Address (IRS master file)
8181 E CARNATION WAY, ANAHEIM, CA 92808-2242
In care of
% CONNIE R WADSLEY
Mailing address (990-N for 2025)
8181 E Carnation Way, Anaheim CA 92808
Principal officer (990-N for 2025)
Myra Deister, 8181 E Carnation Way, Anaheim CA 92808

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

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025No data
2023December 31, 2023May 15, 2024No data

IRS record

EIN
33-0207800
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
1989
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Myra Deister
December 31, 2025≤ $50,000 receipts––e-Postcard

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

Questions about ORANGE COUNTY MATHEMATICS COUNCIL

What is the EIN of ORANGE COUNTY MATHEMATICS COUNCIL?
The employer identification number (EIN) of ORANGE COUNTY MATHEMATICS COUNCIL is 33-0207800.
Is ORANGE COUNTY MATHEMATICS COUNCIL tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1989.
Are donations to ORANGE COUNTY MATHEMATICS COUNCIL tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ORANGE COUNTY MATHEMATICS COUNCIL file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of ORANGE COUNTY MATHEMATICS COUNCIL due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ORANGE COUNTY MATHEMATICS COUNCIL last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of ORANGE COUNTY MATHEMATICS COUNCIL?
The 990-N for 2025 names Myra Deister.

Other nonprofits in ANAHEIM

All nonprofits in ANAHEIM · California