Sources and coverage
This edition lists 539 serving offices and 2 vacant seats from the published congressional roster, checked Nov 6, 2026 Pacific.
Official office websites, phone numbers and verified general inboxes are listed where available. The House address finder and links to the chamber originals need an internet connection.
For a vacant House seat, the Clerk’s roster supplies the Washington office address and phone. Where a Clerk announcement identifies the same vacancy, the state page links to that notice and lists its district offices. Interim staff can assist with federal agency cases while the seat is vacant.
Which votes appear?
- House: 676 archived rolls; Jan 3, 2025 to Sep 16, 2026.
- Senate: 915 archived rolls; Jan 9, 2025 to Sep 30, 2026.
The guide selects up to three recorded positions per member. A missing position gives no information about attendance. Use the question, outcome and original roll to distinguish a procedural decision from final passage. Newer votes and later membership changes may appear in the official sources.