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Now with nearly 400,000 members and supporters and 36 state organizations, Common Cause remains committed to honest, open and accountable government, as well as encouraging citizen participation in democracy. We care what our members and supporters have to say.

If you have any questions about donations (either online or offline) or Common Cause membership, please email us at giving@commoncause.org.

If you have questions about our grassroots actions, please email us at CauseNet@commoncause.org.

If you are a member of the media, please email us at press@commoncause.org.

Our mailing address is 1133 19th Street NW, 9th Floor, Washington, DC 20036. Our telephone number is 202.833.1200.

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