USCIS Chicago Lockbox – Chicago, IL

USCIS Chicago Lockbox Facility

The USCIS Chicago Lockbox is a specialized mail reception and processing center for the U.S. Citizenship and Immigration Services. Located at 131 South Dearborn Street, this facility serves as a central intake hub for immigration applications and petitions filed by mail. It is operated by a designated Department of Treasury financial agent and is responsible for the initial intake, fee collection, and sorting of documents before they are forwarded to service centers for adjudication.

Important Access Information

• No Public Access: This facility is strictly a mail processing center. It is closed to the public and does not offer in-person appointments, information services, or interviews.
• Courier Deliveries: The physical address at 131 S Dearborn is used exclusively for private courier deliveries (FedEx, UPS, DHL). Standard postal mail (USPS) is directed to associated P.O. Boxes.
• Application Processing: The lockbox handles specific forms based on the applicant’s state of residence, including family-based adjustments and employment authorizations.

Usage

Applicants should never attempt to visit this location to drop off applications personally. Doing so will result in denial of entry. All applications must be submitted via the appropriate mailing method as outlined in the specific form instructions on the official USCIS website.