All Form I-140’s except those marked “f” in Part 2, “Petition Type”: (
EB1a应该算这一类吧,MARK "a")
Mail Your I-140 Petition To:
USCIS Dallas Lockbox
For U.S. Postal Service (USPS) deliveries:
USCIS
P.O. Box 660867
Dallas, TX 75266
For Express mail and courier deliveries:
USCIS
Attn: AOS
2501 S. State Highway 121
Business
Suite 400
Lewisville, TX 75067