- Is Pinnacle Foundation a tax-exempt 501(c)(3)?
- Yes — Pinnacle Foundation is recognised by the IRS as a 501(c)(3) organisation (EIN 33-4181865). The IRS recognised Pinnacle Foundation as tax-exempt in February 2026.
- What is Pinnacle Foundation's EIN?
- Pinnacle Foundation's Employer Identification Number (EIN) is 33-4181865. The EIN was assigned by the IRS in February 2026. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Pinnacle Foundation do?
- Pinnacle Foundation is registered with the IRS as a philanthropy & grantmaking nonprofit organisation. A detailed mission statement is not available on its most recent Form 990 filing.
- Where is Pinnacle Foundation located?
- Pinnacle Foundation is located at 4516 NW 36th ST STE 100, Oklahoma City, OK, 73122-2432.
- When was Pinnacle Foundation founded or recognised by the IRS?
- Pinnacle Foundation was recognised by the IRS as a tax-exempt organisation in February 2026. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
