Iowa is represented in the U.S. Senate by Chuck Grassley and Joni Ernst. Use the information below to contact your senators by phone, online contact form, or mail.
Iowa U.S. Senators
Chuck Grassley (R)
Party: Republican
Term Expires: January 3, 2029
D.C. Phone: (202) 224-3744
Contact Form: www.grassley.senate.gov/contact/email
Official Website: grassley.senate.gov
Committees: Budget; Finance; Judiciary
Joni Ernst (R)
Party: Republican
Term Expires: January 3, 2027
D.C. Phone: (202) 224-3254
Contact Form: www.ernst.senate.gov/contact
Official Website: ernst.senate.gov
Committees: Agriculture, Nutrition, and Forestry; Armed Services; Homeland Security and Governmental Affairs; Small Business and Entrepreneurship
How to Contact a Iowa Senator
There are several ways to reach your Iowa U.S. senators:
- By Phone: Call the Washington, D.C. office directly. Senate offices are open Monday through Friday during business hours.
- By Contact Form: Use the official contact form on your senator’s website. Most forms allow you to select a topic and send a message directly to the senator’s staff.
- By Mail: Send a letter to your senator’s Washington, D.C. office or their state office. Written letters carry significant weight.
- In Person: Visit a state office or attend a town hall event. Check your senator’s official website for upcoming events and office locations.
Frequently Asked Questions
Who are the current Iowa U.S. senators?
Iowa is currently represented in the U.S. Senate by Chuck Grassley (R) and Joni Ernst (R).
How do I contact my Iowa senator?
You can contact your Iowa senator by phone, online contact form, or mail. Use the contact information listed above for each senator.
What is the phone number for Chuck Grassley?
The Washington, D.C. office phone number for Senator Chuck Grassley is (202) 224-3744.
What is the phone number for Joni Ernst?
The Washington, D.C. office phone number for Senator Joni Ernst is (202) 224-3254.
Sample Message Template
Use this template to write to your Iowa senator:
Dear Senator [Last Name],
My name is [Your Name] and I am a constituent from [Your City], Iowa. I am writing to express my [support/opposition] regarding [issue].
[Explain your position in 2–3 sentences. Include any personal impact if relevant.]
I respectfully ask that you [specific action you want the senator to take].
Thank you for your time and service.
Sincerely,
[Your Name]
[Your Address]
[Your Phone/Email]
Related Tools
- Senator Contact Tools — Find contact forms, phone numbers, and resources for all U.S. senators.
- U.S. Senate Official Directory — Official contact information for all 100 U.S. senators.
- Congress.gov Member Search — Search for your senators and representatives by state or ZIP code.