Citizenship mailing address

The mailing address for citizenship applications and other documents related to U.S. citizenship is:

U.S. Citizenship and Immigration Services P.O. Box 660000 Dallas, TX 75266-0000

This is the central processing facility for U.S. citizenship applications and is used by the U.S. Citizenship and Immigration Services (USCIS) to process and adjudicate applications for U.S. citizenship.

If you are submitting a paper application, you should use this address. If you are submitting an application online, you will not need to mail a paper application, but you may need to provide additional documentation or evidence to support your application.

It's important to note that this address is only for submitting applications and supporting documents. If you need to contact USCIS for any other reason, you should use the contact information provided on the USCIS website or through the USCIS Contact Center.

Here are some additional mailing addresses for specific types of applications:

• Form N-400, Application for Naturalization: P.O. Box 660000, Dallas, TX 75266-0000
• Form N-600, Application for Certificate of Citizenship: P.O. Box 660000, Dallas, TX 75266-0000
• Form N-600K, Application for Citizenship and Issuance of Certificate Under Section 322: P.O. Box 660000, Dallas, TX 75266-0000
• Form I-130, Petition for Alien Relative: P.O. Box 660000, Dallas, TX 75266-0000
• Form I-140, Immigrant Petition for Alien Worker: P.O. Box 660000, Dallas, TX 75266-0000

Please note that these addresses are subject to change, and it's always a good idea to check the USCIS website for the most up-to-date information on mailing addresses and contact information.