Home  »  Knowledge base  »  Where send N-400 application?

You may submit Form N-400, Application for Naturalization, either online or by mail. The mailing address for sending the paper version of Form N-400 differs depending on your place of residence.

If you live in

Alaska, Arizona, California, Colorado, Micronesia, Guam, Hawaii, Idaho, Kansas, Mariana Islands, Montana, North Dakota, Nebraska, Nevada, Oregon, Utah, Washington, Wyoming

You should mail your form to:

For U.S. Postal Service (USPS)

USCIS

P.O. Box 21251

Phoenix, AZ 85036

For FedEx, UPS, and DHL deliveries

USCIS

Attn: N-400

1820 E. Skyharbor Circle S

Suite 100

Phoenix, AZ 85034

 

If you live in

Alabama, Arkansas, Connecticut, District. Of Columbia, Delaware, Florida, Georgia, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Mississippi, North Carolina, New Hampshire, New Jersey, New Mexico, New York, Oklahoma, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, Virgin Islands, Vermont, West Virginia

You should mail your form to:

For U.S. Postal Service (USPS)

USCIS

P.O. Box 660060

Dallas, TX 75266

For FedEx, UPS, and DHL deliveries

USCIS

Attn: N-400

2501 S State Hwy 121 Business

Suite 400

Lewisville, TX 75067

 

If you live in

Illinois, Indiana, Wisconsin, Iowa, Michigan, Minnesota, Ohio, Missouri, Pennsylvania

You should mail your form to:

For U.S. Postal Service (USPS)

USCIS

P.O. Box 4380

Chicago, IL 60680-4380

For FedEx, UPS, and DHL deliveries

USCIS

Attn: N-400

131 S. Dearborn, 3rd Floor

Chicago, IL 60603-5517

However, there is a special postal address for the military. If you are applying based on being a current or former member of the military, a spouse of a current member of the military, or a close relative of a deceased member of the military, you must send N-400 application to the following address:

For U.S. Postal Service (USPS)

USCIS

P.O. Box 4446

Chicago, IL 60680-4446

For FedEx, UPS, or DHL deliveries

USCIS

Attn: Military N-400

131 S. Dearborn, 3rd Floor

Chicago, IL 60603-5517

Please note that the mailing addresses may change from time to time. So in order to be on the safe side about where to send your Form N-400 you may visit the official USCIS website (https://www.uscis.gov/n-400).

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