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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 42-0865108

AMERICAN POSTAL WORKERS UNION

Also known as 186 SIOUX CITY LOCAL

Tax-exempt · SIOUX CITY, IA 51102

Address and contacts

Address (IRS master file)
PO BOX 1851, SIOUX CITY, IA 51102-1851
In care of
% PAULA CORNELIA
Mailing address (990-N for 2024)
PO BOX 1851, SIOUX CITY IA 51102
Principal officer (990-N for 2024)
MARK BAKER, PO BOX 1851, SIOUX CITY IA 51102

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, 2026Not on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2025 990-N for AMERICAN POSTAL WORKERS UNION

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

IRS record

EIN
42-0865108
Tax-exempt status
501(c)(5): Labor, agricultural or horticultural organization
Donations deductible
No
Exempt since
1973
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: MARK BAKER
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: MARK BAKER
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Mark Baker
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Mark Baker
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Mark Baker
December 31, 2019≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Mark Baker
December 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 42-0865108).

Questions about AMERICAN POSTAL WORKERS UNION

What is the EIN of AMERICAN POSTAL WORKERS UNION?
The employer identification number (EIN) of AMERICAN POSTAL WORKERS UNION is 42-0865108.
Is AMERICAN POSTAL WORKERS UNION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(5) since 1973.
Are donations to AMERICAN POSTAL WORKERS UNION tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does AMERICAN POSTAL WORKERS UNION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of AMERICAN POSTAL WORKERS UNION due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did AMERICAN POSTAL WORKERS UNION last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended December 31, 2024.
Who is the principal officer of AMERICAN POSTAL WORKERS UNION?
The 990-N for 2024 names MARK BAKER.

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