How to Get an ITIN: Step-by-Step Guide

Detailed guide to getting an Individual Taxpayer Identification Number for those who can't get an SSN

10 minitin

How to Get an ITIN

An ITIN (Individual Taxpayer Identification Number) is a tax processing number issued by the IRS for individuals who are required to file a US tax return but cannot obtain an SSN.

Who Needs an ITIN?

  • Non-residents earning US income
  • Spouses or dependents of US citizens or residents
  • Non-residents filing tax returns

Step-by-Step Instructions

Step 1: Complete Form W-7

Download Form W-7 from the IRS website. Fill in all required fields.

Step 2: Prepare Your Documents

You'll need one of the following documents:

  • Passport (original or certified copy)
  • Driver's license
  • Birth certificate

Step 3: Submit Your Application

Three ways to submit:

  1. By mail — send W-7, tax return, and documents to the IRS
  2. Through a CAA — use a Certifying Acceptance Agent
  3. In person — visit an IRS office

Step 4: Wait for Response

Processing usually takes 7-11 weeks.

ITIN and Credit History

With an ITIN, you can:

  • Open a bank account at some banks
  • Get a secured credit card (e.g., OpenSky)
  • Take a credit builder loan (e.g., Self)
  • Start building credit history

Important Notes

  • ITIN needs to be renewed every 5 years
  • ITIN does not grant work authorization
  • ITIN does not affect immigration status