Internal Revenue Service
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Phone: (202) 622-5000
Address: 1500 Pennsylvania Ave NW, Washington, DC 20220
Website: https://irs-research.com
1608 K St NW, Washington, DC 20006
1700 Pennsylvania Ave NW Ste 600, Washington, DC 20006
515 15th St NW, Washington, DC 20004
12 Bowline Grn SW Bldg 4412, Bolling Afb, DC 20032
5920 Massachusetts Ave, Bethesda, MD 20816
6101 Roanoke Ave, Riverdale, MD 20737
3320 Idaho Ave NW, Washington, DC 20016
7500 Livingston Rd, Oxon Hill, MD 20745