# Lockbox and Service Center Filing Location Updates

**ALERT:** USCIS is changing filing locations for certain forms and transferring cases among offices as part of a larger initiative to centralize petition and application processing. If we transfer your case, we will send you a case transfer notice indicating which office you should be communicating with for inquiries related to your case. If we send you a request for evidence (RFE), the RFE will indicate to which address you should respond when providing the requested information. We may send you an RFE that instructs you to send the requested information to a central location that is different than the location where you filed your immigration benefit request. As long as you follow the instructions on your receipt notice, case transfer notice, or RFE, you will send any requested information to the correct office.

Changes in filing location from service centers to a USCIS lockbox are a part of our efforts to increase efficiency by reducing our footprint at the service centers and reduce costs related to service center intake of these forms. These changes in filing locations also allow USCIS to centralize digitization of these forms for electronic adjudication.

We sometimes change or adjust filing locations among our service centers or lockbox facilities to balance our incoming workload for timely processing. We may also refine addresses to improve internal processes at our service centers or lockbox facilities.

This page provides an up-to-date summary of changes we make to any filing location. You can also subscribe to the “Lockbox and Service Center Filing Location Updates” GovDelivery distribution list to receive an email each time we update a filing location.

Get Updates by Email

Email Addresse.g. name@email.com

You may also visit our USCIS Contact Center page for help from a USCIS representative. The USCIS Contact Center provides information in English and Spanish. For TTY (for the deaf, hard of hearing, or those having a speech disability), call 800-767-1833.

**For the most current information on where to file, please see the “Where to File” section on the****webpage for your form****.**

**For information on filing location updates prior to Jan. 2023, visit our archive****page****.**

**Applications, petitions, or requests that are not mailed to the appropriate filing location may experience processing delays or may be rejected as improperly filed and returned to you to re-file.**

G-1566, Request for Certificate of Non-Existence

April 04, 2024

Form I-140, Immigrant Petition for Alien Worker

April 04, 2024

Form I-129, Petition for a Nonimmigrant Worker

April 04, 2024

Form I-907, Request for Premium Processing

April 04, 2024

Form I-907, Request for Premium Processing Service

January 02, 2024

Form I-140, Immigrant Petition for Alien Workers

November 09, 2023

USCIS Potomac Service Center Will No Longer Accept Paper Responses

November 06, 2023

Form I-907, Request for Premium Processing Service

November 02, 2023

Form I-907, Request for Premium Processing ServiceDirect Filing Addresses for Form I-129, Petition for a Nonimmigrant WorkerDirect Filing Addresses for Form I-129, Petition for a Nonimmigrant Worker

Form I-129CW, Petition for a CNMI-Only Nonimmigrant Transitional Worker

October 27, 2023

Form I-129CW, Petition for a CNMI-Only Nonimmigrant Transitional Worker

Form I-129, Petition for a Nonimmigrant Worker

October 27, 2023

Form I-129, Petition for a Nonimmigrant Worker

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