Five Steps to Filing at the USCIS Lockbox - Step 5: Assemble and Mail to USCIS @uscis

Five Steps to Filing at the USCIS Lockbox - Step 5: Assemble and Mail to USCIS @uscis

Uploaded February 2024 | Updated September 2026, 12 hours ago

For additional guidance on filing paper-based forms at the Lockbox and how to avoid or correct common errors before you file, please visit the Five Steps to File at the USCIS Lockbox webpage.

uscis.gov/5stepstofile

Five Steps to Filing at the USCIS Lockbox - Step 5: Assemble and Mail to USCIS

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Five Steps to Filing at the USCIS Lockbox - Step 5: Assemble and Mail to USCIS