Uscis form n 400 mailing address

The mailing address for filing Form N-400, Application for Naturalization, with U.S. Citizenship and Immigration Services (USCIS) depends on where you live. Here are the mailing addresses for Form N-400:

By Mail:

• If you live in the following states, you should mail your application to:
  • Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, and Texas: USCIS Dallas Lockbox, P.O. Box 660866, Dallas, TX 75266-0866
  • Arizona, California, Colorado, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Mexico, North Dakota, Ohio, Oregon, Pennsylvania, South Dakota, Utah, Washington, Wisconsin, and Wyoming: USCIS Phoenix Lockbox, P.O. Box 21653, Phoenix, AZ 85036
  • Connecticut, Delaware, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, and Virginia: USCIS Philadelphia Lockbox, P.O. Box 802511, Philadelphia, PA 19180-2511
  • Alaska, Alaska Native Corporations, and American Samoa: USCIS Seattle Lockbox, P.O. Box 201545, Seattle, WA 98102
  • Guam, Northern Mariana Islands, Puerto Rico, and U.S. Virgin Islands: USCIS Phoenix Lockbox, P.O. Box 21653, Phoenix, AZ 85036
• If you live in a foreign country, you should mail your application to: USCIS Phoenix Lockbox, P.O. Box 21653, Phoenix, AZ 85036

In Person:

You can also file your Form N-400 in person at a USCIS field office or application support center. To find the address of a USCIS office near you, visit the USCIS website and use the "Office Locator" tool.

Online:

You cannot file Form N-400 online. You must submit it by mail or in person.

Remember to include all required documents and fees with your application. You can find more information about the application process and required documents on the USCIS website.