USCIS Form N-400, Application for Naturalization

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What Is USCIS N400 Form?

Also known as Application for Naturalization, N-400 is a form filled with the USCIS by foreigners with green cards who are aimed at becoming U.S. citizens. When filling out the blank, you’ll need to indicate basic data about yourself and confirm your eligibility.

What I Need the N400 Form For

USCIS Form N-400 Screenshot

Here’s what you need this form for:

  • becoming a U.S. citizen;
  • providing all the necessary details about you;
  • confirming your eligibility.
  • How to Fill Out N400 Application
  • Start by finding a fillable and printable PDF form N 400 template in our catalog. Going digital when dealing with your administrative tasks comes with a multitude of perks. It saves your precious time and allows you to monitor your case status when your application is processed. 

When filling out the form, you’re going to need to indicate the following information about yourself:

  1. Your name and contacts.
  2. Your place of birth and immigration background.
  3. Your gender, ethnicity, race, height, weight, and other similar data.
  4. Your family details: marital status, information about your kids and parents.
  5. Supporting documents.
  6. Review your application and submit it in case it’s error-free.

USCIS Form N-400 Screenshot 2

Organizations That Work With Application for Naturalization

  • USCIS.

Relevant to USCIS Form N 400 Documents

Fillable N400 Document Checklist

Form Versions

2022 Fillable Form USCIS N-400, Application for Naturalization (2022) Fill Out Form
Fillable online Form USCIS N-400, Application for Naturalization
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