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Who is my U.S. representative in MA-09?
Your U.S. representative for Massachusetts’s 9th Congressional District (MA-09) is William R. Keating (Bill Keating), a Democrat. ZipLook +1 Rep. Keating represents much of Cape Cod, the South Shore, and parts of the New Bedford area. He has served in the U.S. House since 2013 and was re-elected to represent MA-09 in the current Congress. Office of the Clerk +1 Washington, D.C. office: 2372 Rayburn House Office Building Washington, DC 20515 Phone: (202) 225-3111 Office of the Clerk If you’d like, I can also help confirm whether your specific town/address is actually in MA-09 (district boundaries can be easy to mix up).
Cited sources
Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies William Keating as the U.S. representative for MA-09, matching the ground truth. Additional details about his role and office are accurate context.
Human
not reviewed
Final
accurate
Ground truth
representative: William Keating
clerk.house.gov 100
as of 2026-07-07