Dec 29, 2025 · N-400, Application for Naturalization Naturalization is the process of becoming a U.S. citizen if you were born outside of the United States. Use this form to apply for naturalization if you …

Find out if you are eligible to become a U.S. citizen, how to apply with USCIS Form N-400, and how to prepare for an interview and naturalization test.

Please refer to the instructions for the form(s) you are filing for additional information or you may call the USCIS Contact Center at 800 -375-5283. For TTY (deaf or hard of hearing) 800767- -1833.

Form N-400, Application for Naturalization, is an application to become a naturalized U.S. citizen. If your biological or legal adoptive mother or father is a U.S. citizen by birth, or was naturalized before you …

Nov 30, 2025 · The N-400 form is the application an immigrant must complete to file for U.S. citizenship. Instructions for completing this form can be found here:

Read this guide to Form N-400 for your U.S. citizenship application and understand the legal intricacies and requirements for a successful citizenship journey.

If your mother or father (including legal adoptive mother or father) is a U.S. citizen by birth, or was naturalized before you reached your 18th birthday, you may not need to file Form N-400 as you may …

You can obtain Form N-400 from the United States Citizenship and Immigration Services (USCIS) website or from an Immigration Services Officer (ISO). The form must be completed in English and …

The revised N-400 condenses many questions and spaces for responding. Also, many sections of the form have been moved and reorganized. Attorneys and advocates may need to reorganize or revise …

If your parent (including legal adoptive parent) is a U.S. citizen by birth, or was naturalized before you reached your 18th birthday, you may not need to file Form N-400 as you may already be a U.S. citizen.