Maria Cantwell
Senator
DemocratCommittees
- • Senate Committee on Commerce, Science, and Transportation
- • Senate Committee on Energy and Natural Resources
- • Senate Committee on Finance
- • Senate Committee on Indian Affairs
- • Senate Committee on Small Business and Entrepreneurship
- • Joint Committee on Taxation
Fax data from the unitedstates project. Updated daily.
Fax Sen. Maria Cantwell
Choose a template, edit your message, then send via FaxSeal. Takes about 2 minutes.
Choose a template
Your details
Your message
Edit before sendingSincerely,
Your Name
Your City, Washington
Your message is formatted as a formal letter and faxed directly. 1 credit per fax. Sign up free →
Sen. Maria Cantwell's Committee Assignments
Sen. Maria Cantwell currently serves on the following 6 committees:
- •Senate Committee on Commerce, Science, and Transportation
- •Senate Committee on Energy and Natural Resources
- •Senate Committee on Finance
- •Senate Committee on Indian Affairs
- •Senate Committee on Small Business and Entrepreneurship
- •Joint Committee on Taxation
Faxing Sen. Maria Cantwell directly is one of the most effective ways to influence Senate legislation — especially on issues handled by these committees. Congressional staff log and tally constituent faxes, and high volume on a topic is reported directly to the member.
How to fax Sen. Maria Cantwell
Sen. Maria Cantwell is a Democrat Senator from Washington, serving since 2025. The most reliable way to contact Maria is by fax — congressional offices log every fax received and route them to the appropriate staff. Use the form above to send a fax in minutes. Your message is delivered to the official fax number on file for Sen. Maria Cantwell's Senate office.
Why fax Congress?
- ✓ Faxes are logged and counted by congressional staff — more weight than email
- ✓ Delivers directly to the office, no spam filter or contact form bottleneck
- ✓ You receive a certified delivery receipt proving your message was sent
- ✓ Takes 2 minutes — faster than calling and waiting on hold
Frequently asked questions
What is the fax number for Sen. Maria Cantwell?
The official fax number for Sen. Maria Cantwell is +12022280514. FaxSeal dials this number automatically when you submit the form above.
Does faxing my representative actually work?
Yes. Congressional offices track constituent contacts by type — phone calls, emails, and faxes. Faxes are taken seriously because they require more effort than a form email and are harder to ignore. High fax volume on a topic is routinely reported to the member.
How long does it take for my fax to arrive?
Most faxes are delivered within 1–5 minutes. You will receive a certified delivery receipt from FaxSeal once delivery is confirmed.
Do I need to be a constituent?
You can fax any member of Congress, but Sen. Maria Cantwell's office is most likely to respond to constituents from Washington. Your message will still be logged regardless of where you live.