Directory information, not recipient confirmation. Fax numbers can change and differ by department, location, form, or plan. Confirm this destination directly with Railroad Retirement Board (RRB) before sending sensitive documents. FaxFlow is not affiliated with this organization.
Railroad Retirement Board (RRB) fax number
(713) 405-2078
Sickness Benefits
Used for: Submit the Application for Sickness Benefits (Form SI-1a) and the accompanying Statement of Sickness (Form SI-1b) to the Railroad Retirement Board by mail or fax to 713-405-2078.
Fax destination details
- Department
- Sickness Benefits
- Purpose
- Submit the Application for Sickness Benefits (Form SI-1a) and the accompanying Statement of Sickness (Form SI-1b) to the Railroad Retirement Board by mail or fax to 713-405-2078.
- Form
- SI-1a — Application for Sickness Benefits
- Address
- Railroad Retirement Board Headquarters, 844 North Rush Street, Chicago, IL 60611-1275
- Voice phone
- 877-772-5772
- Website
- Visit organization website
Before you send
- Confirm that this exact department handles your document or request.
- Check the organization website or call its main line for the current fax number.
- Include a cover sheet and any case, member, claim, or form reference required.
- Keep the delivery confirmation with your submission records.
Complete Form SI-1a and include Form SI-1b (Statement of Sickness) as required; submit by mail or fax to 713-405-2078; ensure submission within the applicable deadlines (e.g., 10 days from the onset of sickness).
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