USCIS Changes Filing Location for Form N-400 Naturalization

U.S. Citizenship and Immigration Services (USCIS) announced revised addresses for applicants filing an Application for Naturalization (Form N-400) at USCIS Lockbox facilities in Phoenix and Dallas.  

Applicants who previously filed their applications at the Lewisville Post Office (P.O.) box should now file their applications at a P.O. Box in Dallas.  In addition, the table below includes a change to the USCIS Phoenix Lockbox address.  Applicants filing Form N-400 at the USCIS Dallas or Phoenix Lockbox should submit the application and all supporting documents and fees to the following addresses, based on where they live: 

If you live in: Mail your application to the:
Alaska, Arizona, California, Colorado, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, North Dakota, Ohio, Oregon, South Dakota, Utah, Washington, Wisconsin, Wyoming, Territory of Guam, or the Commonwealth of Northern Mariana Islands USCIS Phoenix LockboxU.S. Postal Service deliveries:

PO Box 21251
Phoenix, AZ 85036

Express Mail and Courier deliveries:

ATTN: N-400
1820 E. Skyharbor Circle S
Suite 100
Phoenix, AZ 85034

Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Mississippi, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennesee, Texas, Vermont, Virginia, West Virginia, Puerto Rico, or the U.S. Virgin Islands USCIS Dallas LockboxU.S. Postal Service deliveries:

P.O. Box 660060�
Dallas, TX 75266

Express Mail and Courier deliveries:

ATTN: N-400
2501 S. State Hwy. 121 Business
Suite 400
Lewisville, TX 75067

Applicants filing a Form N-400 under military provisions (Section 328 or 329), should file their application at the Nebraska Service Center, PO Box 87426, Lincoln, NE 68501-7426, regardless of where the applicant lives.  This includes current military spouses regardless of geographic location or jurisdiction.

If you are filing a Form N-400 at USCIS Lockbox facilities, you may elect to receive an email and/or text message notifying you that your application has been accepted.  You must complete an E-Notification of Application/Petition Acceptance (Form G-1145), and attach it to the first page of your application.

We will provide more information as it becomes available at