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Michael Hampton
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USCIS publishes the correct I-539 mailing addresses on their web site.

Here you will find many addresses, the correct one depends on the immigration status you are applying to change or extend. Because none of the special addresses apply to you, you should use the last set of addresses, for "All other Forms I-539":

USCIS Dallas Lockbox

For U.S. Postal Service (USPS):

USCIS
P.O. Box 660166
Dallas, TX 75266

For FedEx, UPS, and DHL deliveries:

USCIS
ATTN: I-539
2501 S. State Highway 121 Business
Suite 400
Lewisville, TX 75067

Michael Hampton
  • 62.5k
  • 7
  • 143
  • 259