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See it to the following address:

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

所有跟帖： 

• 谢谢八老师 -stone01- ♂ (0 bytes) () 04/02/2020 postreply 23:17:23

• 8老师，同样问题，B2 Visa延期可以网上申请么？如果妈妈带10岁儿童一起申请应该分开么？多谢 -Concerto- ♀ (135 bytes) () 04/18/2020 postreply 01:26:53