Nonprofit · EIN 83-3774636
MINING CITY ASTRONOMERS
Tax-exempt · TWIN BRIDGES, MT 59754
Address and contacts
- Address (IRS master file)
- PO BOX 332, TWIN BRIDGES, MT 59754-0332
- In care of
- % JOE WITHERSPOON
- Mailing address (990-N for 2025)
- PO BOX 332, Twin Bridges MT 59754
- Principal officer (990-N for 2025)
- Joseph Witherspoon, PO BOX 332, Twin Bridges MT 59754
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-N on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-N on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-N on file |
IRS record
- EIN
- 83-3774636
- 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
- 2019
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Science and technology (U31)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Joseph Witherspoon | December 31, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2024 Officer: Joseph Witherspoon | December 31, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: Joe Witherspoon | December 31, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: Joseph Witherspoon | December 31, 2019 | ≤ $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 83-3774636).
Questions about MINING CITY ASTRONOMERS
- What is the EIN of MINING CITY ASTRONOMERS?
- The employer identification number (EIN) of MINING CITY ASTRONOMERS is 83-3774636.
- Is MINING CITY ASTRONOMERS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
- Are donations to MINING CITY ASTRONOMERS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does MINING CITY ASTRONOMERS file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of MINING CITY ASTRONOMERS 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 MINING CITY ASTRONOMERS 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 MINING CITY ASTRONOMERS?
- The 990-N for 2025 names Joseph Witherspoon.
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- MONTANA WEED CONTROL ASSOCIATION EIN 81-0436793 · last filed 990 for 2025
- FISHING OUTFITTERS ASSOCIATION OF MONTANA INC EIN 81-0402171 · last filed 990-N for 2024
- TWIN BRIDGES SENIOR & COMMUNITY CENTER INC EIN 26-1949722 · last filed 990 for 2025
- TWIN BRIDGES KID DAY CARE INC EIN 48-1263714 · last filed 990-EZ for 2024
- TWIN BRIDGES SCHOOL AND COMMUNITY FOUNDATION INC EIN 81-0537659 · last filed 990-EZ for 2024
- JOHN AND CYNTHIA OSBORNE FOUNDATION EIN 46-3808379 · last filed 990-PF for 2024
All nonprofits in TWIN BRIDGES · Montana · Science and technology