This is a list of mailing addresses for all current US Senators (67 total):
| Dan Sullivan (R-AK) | Senator Dan Sullivan 702 Hart Senate Office Building Washington DC 20510 |
| Kyrsten Sinema (D-AZ) | Senator Kyrsten Sinema 317 Hart Senate Office Building Washington DC 20510 |
| Tom Cotton (R-AR) | Senator Tom Cotton 124 Russell Senate Office Building Washington DC 20510 |
| Dianne Feinstein (D-CA) | Senator Dianne Feinstein 331 Hart Senate Office Building Washington DC 20510 |
| Chris Murphy (D-CT) | Senator Chris Murphy 136 Hart Senate Office Building Washington DC 20510 |
| Tom Carper (D-DE) | Senator Tom Carper 513 Hart Senate Office Building Washington DC 20510 |
| Chris Coons (D-DE) | Senator Chris Coons 127A Russell Senate Office Building Washington DC 20510 |
| Rick Scott (R-FL) | Senator Rick Scott 716 Hart Senate Office Building Washington DC 20510 |
| Mazie Hirono (D-HI) | Senator Mazie Hirono 730 Hart Senate Office Building Washington DC 20510 |
| Jim Risch (R-ID) | Senator Jim Risch 483 Russell Senate Office Building Washington DC 20510 |
| Dick Durbin (D-IL) | Senator Dick Durbin 711 Hart Senate Office Building Washington DC 20510 |
| Mike Braun (R-IN) | Senator Mike Braun 374 Russell Senate Office Building Washington DC 20510 |
| Joni Ernst (R-IA) | Senator Joni Ernst 111 Russell Senate Office Building Washington DC 20510 |
| Mitch McConnell (R-KY) | Senator Mitch McConnell 317 Russell Senate Office Building Washington DC 20510 |
| Bill Cassidy (R-LA) | Senator Bill Cassidy 520 Hart Senate Office Building Washington DC 20510 |
| Susan Collins (R-ME) | Senator Susan Collins 413 Dirksen Senate Office Building Washington DC 20510 |
| Angus King (I-ME) | Senator Angus King 133 Hart Senate Office Building Washington DC 20510 |
| Ben Cardin (D-MD) | Senator Ben Cardin 509 Hart Senate Office Building Washington DC 20510 |
| Ed Markey (D-MA) | Senator Ed Markey 255 Dirksen Senate Office Building Washington DC 20510 |
| Elizabeth Warren (D-MA) | Senator Elizabeth Warren 317 Hart Senate Office Building Washington DC 20510 |
| Gary Peters (D-MI) | Senator Gary Peters 724 Hart Senate Office Building Washington DC 20510 |
| Debbie Stabenow (D-MI) | Senator Debbie Stabenow 731 Hart Senate Office Building Washington DC 20510 |
| Amy Klobuchar (D-MN) | Senator Amy Klobuchar 302 Hart Senate Office Building Washington DC 20510 |
| Tina Smith (D-MN) | Senator Tina Smith 309 Hart Senate Office Building Washington DC 20510 |
| Cindy Hyde-Smith (R-MS) | Senator Cindy Hyde-Smith 702 Hart Senate Office Building Washington DC 20510 |
| Roger Wicker (R-MS) | Senator Roger Wicker 555 Dirksen Senate Office Building Washington DC 20510 |
| Josh Hawley (R-MO) | Senator Josh Hawley 212 Russell Senate Office Building Washington DC 20510 |
| Steve Daines (R-MT) | Senator Steve Daines 320 Hart Senate Office Building Washington DC 20510 |
| Jon Tester (D-MT) | Senator Jon Tester 311 Hart Senate Office Building Washington DC 20510 |
| Deb Fischer (R-NE) | Senator Deb Fischer 454 Russell Senate Office Building Washington DC 20510 |
| Ben Sasse (R-NE) | Senator Ben Sasse 136 Russell Senate Office Building Washington DC 20510 |
| Jacky Rosen (D-NV) | Senator Jacky Rosen 144 Russell Senate Office Building Washington DC 20510 |
| Jeanne Shaheen (D-NH) | Senator Jeanne Shaheen 506 Hart Senate Office Building Washington DC 20510 |
| Cory Booker (D-NJ) | Senator Cory Booker 359 Dirksen Senate Office Building Washington DC 20510 |
| Bob Menendez (D-NJ) | Senator Bob Menendez 528 Hart Senate Office Building Washington DC 20510 |
| Martin Heinrich (D-NM) | Senator Martin Heinrich 303 Hart Senate Office Building Washington DC 20510 |
| Kirsten Gillibrand (D-NY) | Senator Kirsten Gillibrand 478 Russell Senate Office Building Washington DC 20510 |
| Thom Tillis (R-NC) | Senator Thom Tillis 185 Dirksen Senate Office Building Washington DC 20510 |
| Kevin Cramer (R-ND) | Senator Kevin Cramer 400 Russell Senate Office Building Washington DC 20510 |
| Sherrod Brown (D-OH) | Senator Sherrod Brown 713 Hart Senate Office Building Washington DC 20510 |
| Jim Inhofe (R-OK) | Senator Jim Inhofe 205 Russell Senate Office Building Washington DC 20510 |
| Jeff Merkley (D-OR) | Senator Jeff Merkley 313 Hart Senate Office Building Washington DC 20510 |
| Bob Casey (D-PA) | Senator Bob Casey 393 Russell Senate Office Building Washington DC 20510 |
| Jack Reed (D-RI) | Senator Jack Reed 728 Hart Senate Office Building Washington DC 20510 |
| Sheldon Whitehouse (D-RI) | Senator Sheldon Whitehouse 530 Hart Senate Office Building Washington DC 20510 |
| Lindsey Graham (R-SC) | Senator Lindsey Graham 290 Russell Senate Office Building Washington DC 20510 |
| Mike Rounds (R-SD) | Senator Mike Rounds 502 Hart Senate Office Building Washington DC 20510 |
| Marsha Blackburn (R-TN) | Senator Marsha Blackburn 357 Dirksen Senate Office Building Washington DC 20510 |
| John Cornyn (R-TX) | Senator John Cornyn 517 Hart Senate Office Building Washington DC 20510 |
| Ted Cruz (R-TX) | Senator Ted Cruz 404 Russell Senate Office Building Washington DC 20510 |
| Mitt Romney (R-UT) | Senator Mitt Romney 124 Russell Senate Office Building Washington DC 20510 |
| Bernie Sanders (I-VT) | Senator Bernie Sanders 332 Dirksen Senate Office Building Washington DC 20510 |
| Tim Kaine (D-VA) | Senator Tim Kaine 231 Russell Senate Office Building Washington DC 20510 |
| Mark Warner (D-VA) | Senator Mark Warner 703 Hart Senate Office Building Washington DC 20510 |
| Maria Cantwell (D-WA) | Senator Maria Cantwell 511 Hart Senate Office Building Washington DC 20510 |
| Shelley Moore Capito (R-WV) | Senator Shelley Moore Capito 172 Russell Senate Office Building Washington DC 20510 |
| Joe Manchin (D-WV) | Senator Joe Manchin 306 Hart Senate Office Building Washington DC 20510 |
| Tammy Baldwin (D-WI) | Senator Tammy Baldwin 709 Hart Senate Office Building Washington DC 20510 |
| John Barrasso (R-WY) | Senator John Barrasso 307 Dirksen Senate Office Building Washington DC 20510 |
| Bill Hagerty (R-TN) | Senator Bill Hagerty B11 Russell Senate Office Building Washington DC 20510 |
| John W. Hickenlooper (R-CO) | Senator John W. Hickenlooper B85 Russell Senate Office Building Washington DC 20510 |
| Ben Ray Luján (R-NM) | Senator Ben Ray Luján B40C Dirksen Senate Office Building Washington DC 20510 |
| Cynthia Lummis (R-WY) | Senator Cynthia Lummis G12 Dirksen Senate Office Building Washington DC 20510 |
| Roger M.D. Marshall (R-KS) | Senator Roger M.D. Marshall B33 Russell Senate Office Building Washington DC 20510 |
| Jon Ossoff (R-GA) | Senator Jon Ossoff 825 B&C Hart Senate Office Building Washington DC 20510 |
| Alex Padilla (R-CA) | Senator Alex Padilla B03 Russell Senate Office Building Washington DC 20510 |
| Tommy Tuberville (R-AL) | Senator Tommy Tuberville B40A Dirksen Senate Office Building Washington DC 20510 |