“Case Accepted By The USCIS Lockbox”on your I-539 · Extend or change visa status


The USCIS lockbox accepted your paper I-539. The date it was received is important, because it shows you filed before your stay ended. Your receipt notice will show that date; keep it safe. Co-applicants on the same form share that filing date.
In general, on any form:
The USCIS Lockbox, the facility that receives mailed filings and payments, accepted your package. Your fee was processed and the case is being entered into the system. A receipt notice usually follows. This is the very first intake step.
The USCIS lockbox accepted your paper I-539. The date it was received is important, because it shows you filed before your stay ended. Your receipt notice will show that date; keep it safe. Co-applicants on the same form share that filing date.
It is the facility that opens mailed filings, takes payments and sends cases into the system.
No. It only means your package passed the first intake check.
Usually within a few weeks after the Lockbox accepts the case.
The typical range published by USCIS is 9 to 10 months. It depends on the office and your case; it is not an exact date.
AI-assisted explanation based on the official USCIS status, reviewed by CaseAlerta. Not legal advice. Times are typical ranges, never an exact date.