Contact Info

Call us at 800-673-9036 or 
202-991-2225 

Email us at info@cof.org.

Council office hours are
Monday through Friday from 
9 a.m.-5 p.m. ET.

Office Directions

1255 23rd Street NW, Suite 200
Washington, DC 20037

By metro, we are six blocks from the Dupont Circle Metro station on the Red Line or six blocks from the Foggy Bottom Metro station on the Blue, Orange, and Silver lines. 

Public parking is available in the garage directly beneath our building. Enter the alley on the right side of the building and then the garage is on the left.

Membership

For more information about membership, contact a member of our Membership Operations Team at membership@cof.org or by phone at 202-991-7653 or 800-673-9036 for those outside the United States.

Are You a Journalist?

If you need:

  • Facts/Data
  • Background information on a philanthropy issue
  • Information about U.S. philanthropy
  • Comment from the Council on Foundations

Contact us at
communications@cof.org.

Office Closures

The Council offices are closed for these remaining 2024 dates:

Christmas and Winter Intermission - Tuesday, December 24 through Tuesday, December 31

The Council offices will be closed for these 2025 dates:

New Year’s Day - Wednesday, January 1

Martin Luther King, Jr. Day – Monday, January 20

President’s Day – Monday, February 17

Memorial Day – 1 p.m. closure on Friday, May 23 and all day on Monday, May 26

Juneteenth – Thursday, June 19

Independence Day and Wellness Week – Monday, June 30 through Friday, July 4

Labor Day – 1 p.m. closure on Friday, August 29 and all day on Monday, September 1

Indigenous Peoples’ Day – Monday, October 13

Veteran’s Day – Tuesday, November 11

Thanksgiving Break – 1 p.m. closure on Wednesday, November 26 and all day on Thursday, November 27 and Friday, November 28

Christmas and Winter Intermission - Wednesday, December 24 through Wednesday, December 31

New Year’s Day - Thursday, January 1, 2026

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Shared purpose. Collective voice. Greater impact.

Philanthropy is a trusted partner in advancing the greater good.