Where should I File an Adjustment of Status Application? 1. For family-based immigration petitions (Form I-130), the application for adjustment of status should be filed with the USCIS Chicago Family Based Immigration Processing Center (USCIS, P.O. Box 804625, Chicago, IL 60680-4107). 2. For employment-based immigration petitions with a pending or approved Form I-140, the application … Continue reading Where To File An Adjustment of Status Application