File Form I-129F at the USCIS Dallas Lockbox facility:
For U.S. Postal Service (USPS):

USCIS
P.O. Box 660151
Dallas, TX 75266

For USPS Express Mail and courier deliveries:
USCIS
Attn: I-129F
2501 South State Highway 121 Business
Suite 400
Lewisville, TX 75067

• We recommend reading our Lockbox Filing Tips before filing your petition.
• We will send you an email or text when the Dallas Lockbox facility accepts your Form I-129F if you clip a completed Form G-1145, Notification of Acceptance of Application/Petition to the front of your petition.
• Note: A Form I-129F Petition cannot be adjudicated at a USCIS Office abroad.