Form I-129F petitions filed by a U.S. citizen on behalf of a fiancé(e) or spouse must be submitted to the USCIS Dallas Lockbox.
For U.S. Postal Service:
PO Box 660151
Dallas, TX 75266
For Express mail and courier deliveries:
2501 South State Highway 121 Business
Lewisville, TX 75067
Applicants filing a form at a USCIS Lockbox facility may elect to receive an e-mail and/or text message notifying them that their petition has been accepted by completing Form G-1145, E-Notification of Application/Petition Acceptance, and attaching it to the first page of their application.