Pjiang: I am going to renew EAD, based on I-140. Since i am zoned to Texas center, i have two mailing addresses based on your blog.
USCIS
PO BOX 660867
Dallas TX 75266
uscis
ATTN: AOS
2501 S STATE HWY. 121 BUSINESS SUITE 400
Lewisville, TX 75067
Which one should i use? Thank you very much.