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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 02-0330018

MOBILE POST OFFICE SOCIETY INC

Tax-exempt · DAVIS, CA 95617

Address and contacts

Address (IRS master file)
PO BOX 4187, DAVIS, CA 95617-4187
In care of
% DOUGLAS CLARK
Mailing address (990-N for 2025)
PO Box 4187, Davis CA 95617
Principal officer (990-N for 2025)
Ryan A Baum, PO Box 4187, Davis CA 95617

California records

California keeps its own records of charities and corporations. Search them by EIN 02-0330018 or by the name MOBILE POST OFFICE SOCIETY INC.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

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, 2025990-N on file
2023December 31, 2023May 15, 2024Check at the IRS

File the 2026 990-N for MOBILE POST OFFICE SOCIETY INC

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
02-0330018
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1985
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Ryan A Baum
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Ryan Baum
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Nancy Clark
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Nancy Clark
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Nancy Clark
December 31, 2019≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Douglas Clark
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 02-0330018).

Questions about MOBILE POST OFFICE SOCIETY INC

What is the EIN of MOBILE POST OFFICE SOCIETY INC?
The employer identification number (EIN) of MOBILE POST OFFICE SOCIETY INC is 02-0330018.
Is MOBILE POST OFFICE SOCIETY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1985.
Are donations to MOBILE POST OFFICE SOCIETY INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MOBILE POST OFFICE SOCIETY INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MOBILE POST OFFICE SOCIETY INC 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 MOBILE POST OFFICE 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 December 31, 2025.
Who is the principal officer of MOBILE POST OFFICE SOCIETY INC?
The 990-N for 2025 names Ryan A Baum.

Other nonprofits in DAVIS

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