TIN Basics
Do All US Citizens Have a Taxpayer Identification Number (TIN)?

Learn whether all US citizens have a TIN, the difference between SSN, ITIN, and EIN, and who needs to apply for these tax identification numbers.

Global Tax IDs
How to Get a U.S. Tax ID from Outside the United States: ITIN and EIN Guide

Learn how to obtain a U.S. tax ID from abroad, including applying for an ITIN and EIN with required forms and documentation.

Privacy Protection Tips
What Can I Use Instead of My Social Security Number (SSN)?

Learn alternatives to using your Social Security Number (SSN) such as ITINs, EINs, and Passport Numbers to protect your identity and maintain privacy.

Verify EIN in USA
How to Verify Your EIN Number in the USA: Simple Step-by-Step Guide

Learn how to verify your Employer Identification Number (EIN) with the IRS quickly using official documents or by contacting the IRS.

EIN Confirmation Download
How to Download Your EIN Confirmation Letter Online from the IRS

Learn how to download your EIN confirmation letter online if you applied through the IRS, and how to get a replacement if lost.

Verify Your EIN
How to Check Your EIN in the USA: Step-by-Step Guide

Learn how to quickly check your EIN in the USA by contacting the IRS. Find out why online EIN lookup is unavailable and how to verify your identity.

EIN Verification Process
How Long Does It Take to Verify an EIN? Quick Guide to EIN Verification

Learn how long EIN verification takes and the fastest ways to verify your EIN with the IRS, including online, mail, and phone options.