Question 1

Is Archaeology Southwest a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Archaeology Southwest is recognised by the IRS as a 501(c)(3) organisation (EIN 86-0640183). The IRS recognised Archaeology Southwest as tax-exempt in July 1991.

Question 2

What is Archaeology Southwest's EIN?

Accepted Answer

Archaeology Southwest's Employer Identification Number (EIN) is 86-0640183. The EIN was assigned by the IRS in July 1991. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Archaeology Southwest do?

Accepted Answer

Archaeology Southwest's mission is to explore and protect heritage places while honoring their diverse values.

Question 4

Where is Archaeology Southwest located?

Accepted Answer

Archaeology Southwest is located at 281 N Stone Ave, Tucson, AZ, 85701.

Question 5

When was Archaeology Southwest founded or recognised by the IRS?

Accepted Answer

Archaeology Southwest was recognised by the IRS as a tax-exempt organisation in July 1991. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Archaeology Southwest's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), Archaeology Southwest reported $4.1M in total revenue and $3.5M in total expenses.

Question 7

Has Archaeology Southwest been auto-revoked by the IRS?

Accepted Answer

No — Archaeology Southwest (EIN 86-0640183) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.

Question 8

Is Archaeology Southwest listed in IRS Publication 78?

Accepted Answer

Yes — Archaeology Southwest is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.

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Archaeology Southwest

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