All members of the Senate are on Twitter. Below is a listing of Twitter handles of all House members, as of August 25, 2015.
| Senator | Twitter handle |
| Alexander (R-TN) | @SenAlexander |
| Ayotte (R-NH) | @KellyAyotte |
| Baldwin (D-WI) | @SenatorBaldwin |
| Barrasso (R-WY) | @SenJohnBarrasso |
| Bennet (D-CO) | @SenBennetCO |
| Blumenthal (D-CT) | @SenBlumenthal |
| Blunt (R-MO) | @RoyBlunt |
| Booker (D-NJ) | @SenBookerOfc |
| Boozman (R-AR) | @JohnBoozman |
| Boxer (D-CA) | @SenatorBoxer |
| Brown (D-OH) | @SenSherrodBrown |
| Burr (R-NC) | @SenatorBurr |
| Cantwell (D-WA) | @SenatorCantwell |
| Capito (R-WV) | @SenCapito |
| Cardin (D-MD) | @SenatorCardin |
| Carper (D-DE) | @SenatorCarper |
| Casey (D-PA) | @SenBobCasey |
| Cassidy (R-LA) | @BillCassidy |
| Coats (R-IN) | @SenDanCoats |
| Cochran (R-MS) | @SenThadCochran |
| Collins (R-ME) | @SenatorCollins |
| Coons (D-DE) | @ChrisCoons |
| Corker (R-TN) | @SenBobCorker |
| Cornyn (R-TX) | @JohnCornyn |
| Cotton (R-AR) | @SenTomCotton |
| Crapo (R-ID) | @MikeCrapo |
| Cruz (R-TX) | @SenTedCruz |
| Daines (R-MT) | @SteveDaines |
| Donnelly (D-IN) | @SenDonnelly |
| Durbin (D-IL) | @SenatorDurbin |
| Enzi (R-WY) | @SenatorEnzi |
| Ernst (R-IA) | @SenJoniErnst |
| Feinstein (D-CA) | @SenFeinstein |
| Fischer (R-NE) | @SenatorFischer |
| Flake (R-AZ) | @JeffFlake |
| Franken (D-MN) | @FrankenSense |
| Gardner (R-CO) | @SenCoryGardner |
| Gillibrand (D-NY) | @SenGillibrand |
| Graham (R-SC) | @GrahamBlog |
| Grassley (R-IA) | @ChuckGrassley |
| Hatch (R-UT) | @SenOrrinHatch |
| Heinrich (D-NM) | @MartinHeinrich |
| Heitkamp (D-ND) | @SenatorHeitkamp |
| Heller (R-NV) | @SenDeanHeller |
| Hirono (D-HI) | @maziehirono |
| Hoeven (R-ND) | @SenJohnHoeven |
| Inhofe (R-OK) | @jiminhofe |
| Isakson (R-GA) | @SenatorIsakson |
| Johnson (R-WI) | @SenRonJohnson |
| Kaine (D-VA) | @timkaine |
| King (I-ME) | @SenAngusKing |
| Kirk (R-IL) | @SenatorKirk |
| Klobuchar (D-MN) | @amyklobuchar |
| Lankford (R-OK) | @SenatorLankford |
| Leahy (D-VT) | @SenatorLeahy |
| Lee (R-UT) | @SenMikeLee |
| Manchin (D-WV) | @Sen_JoeManchin |
| Markey (D-MA) | @SenMarkey |
| McCain (R-AZ) | @SenJohnMcCain |
| McCaskill (D-MO) | @clairecmc |
| McConnell (R-KY) | @SenateMajLdr |
| Menendez (D-NJ) | @SenatorMenendez |
| Merkley (D-OR) | @SenJeffMerkley |
| Mikulski (D-MD) | @SenatorBarb |
| Moran (R-KS) | @JerryMoran |
| Murkowski (R-AK) | @lisamurkowski |
| Murphy (D-CT) | @ChrisMurphyCT |
| Murray (D-WA) | @PattyMurray |
| Nelson (D-FL) | @SenBillNelson |
| Paul (R-KY) | @RandPaul |
| Perdue (R-GA) | @sendavidperdue |
| Peters (D-MI) | @SenGaryPeters |
| Portman (R-OH) | @senrobportman |
| Reed (D-RI) | @SenJackReed |
| Reid (D-NV) | @SenatorReid |
| Risch (R-ID) | @SenatorRisch |
| Roberts (R-KS) | @SenPatRoberts |
| Rounds (R-SD) | @SenatorRounds |
| Rubio (R-FL) | @marcorubio |
| Sanders (I-VT) | @SenSanders |
| Sasse (R-NE) | @SenSasse |
| Schatz (D-HI) | @SenBrianSchatz |
| Schumer (D-NY) | @SenSchumer |
| Scott (R-SC) | @SenatorTimScott |
| Sessions (R-AL) | @SenatorSessions |
| Shaheen (D-NH) | @SenatorShaheen |
| Shelby (R-AL) | @SenShelby |
| Stabenow (D-MI) | @SenStabenow |
| Sullivan (R-AK) | @SenDanSullivan |
| Tester (D-MT) | @SenatorTester |
| Thune (R-SD) | @SenJohnThune |
| Tillis (R-NC) | @SenThomTillis |
| Toomey (R-PA) | @SenToomey |
| Udall (D-NM) | @SenatorTomUdall |
| Vitter (R-LA) | @DavidVitter |
| Warner (D-VA) | @SenatorWarner |
| Warren (D-MA) | @SenWarren |
| Whitehouse (D-RI) | @SenWhitehouse |
| Wicker (R-MS) | @SenatorWicker |
| Wyden (D-OR) | @RonWyden |