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Who is my U.S. representative in OK-03?
Your U.S. Representative for Oklahoma’s 3rd Congressional District (OK-03) is Frank Lucas (Republican). House of Representatives +1 Rep. Lucas has represented OK-03 in the U.S. House and his district includes much of western and central Oklahoma. His congressional office lists him as serving the “3rd District of Oklahoma.” Frank Lucas Washington, D.C. office: 2405 Rayburn House Office Building Washington, DC 20515 Phone: (202) 225-5565 Frank Lucas If you want, I can also help you find your state senator, state representative, and U.S. senators for your specific Oklahoma address.
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The response correctly identifies Frank Lucas as the U.S. Representative for OK-03, matching the ground truth.
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Ground truth
representative: Frank Lucas
clerk.house.gov 100
as of 2026-07-07