SSA Faxing FAQ

Numbers, formatting tips, and best practices for SSA faxes.

Related resources: Troubleshooting · IRS faxing · How to send a fax online

Can I fax documents to the Social Security Administration (SSA)?
Yes. Some SSA workflows accept fax for documentation requests or benefit verification. Use the number provided by your office or case instructions.
How should I format an SSA fax?
Single PDF: cover sheet → SSA letter/notice → your documents. Include your name, last 4 of SSN, claim/benefit number (if any), phone, and page count.
Is it secure to fax SSA documents?
Use a trusted service with encryption in transit, avoid public Wi‑Fi, and keep the cover sheet minimal. Save delivery confirmation.
When should I send SSA faxes?
During office business hours for fastest handling. For time-sensitive updates, fax and follow up by phone.
My SSA fax failed. What should I do?
Verify the number, resend as a clean PDF, and retry during office hours. See troubleshooting.