Response review

If you live in the District of Columbia, you do not have U.S. senators because D.C. is a federal district rather than a state. Only states elect members to the U.S. Senate. 
Congress.gov
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Instead, D.C. has:

One non-voting delegate in the U.S. House of Representatives (who can introduce legislation, serve on committees, and debate, but cannot cast final floor votes). 
House of Representatives
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Two shadow senators, elected by D.C. to advocate for D.C. statehood. These are not recognized members of the U.S. Senate and do not have voting or official Senate powers. 
en.wikipedia.org
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So the direct answer is: You have no U.S. senators if your residence is in the District of Columbia.

Cited sources

• https://www.congress.gov/crs-product/IF11443?utm_source=chatgpt.com
• https://www.house.gov/representatives?utm_source=chatgpt.com
• https://en.wikipedia.org/wiki/United_States_Senate_elections_in_the_District_of_Columbia?utm_source=chatgpt.com