Does the ESTA number change with each application?

The ESTA (Electronic System for Travel Authorization) is an essential tool for those who want to travel to the United States without a visa, and understanding how it works can be very helpful when preparing for your trip.

When you submit an application for ESTA, the system generates a unique authorization number that identifies that specific request. If you need to request a new authorization – even if the previous one is still valid – the new process will generate a different number. This happens because each application is treated individually in the system.

It is important to remember that an approved ESTA is valid for two years or until the passport expires, whichever comes first. During this period, you can make multiple entries to the United States without needing to reapply, as long as your personal information has not undergone significant changes.

However, if there are changes or if you choose to request a new authorization for any other reason, the number accompanying the new ESTA will be different from the one previously issued. Staying updated with U.S. immigration laws is essential, as is seeking information only from reliable sources.

Avoid falling for scams or trusting marketing campaigns that promise miraculous results. Always verify information on official government websites or consult specialized professionals in the field for safe guidance.

I hope I have clarified your doubt and helped you feel more confident in your preparation to travel to the United States. Have a good trip!

About the author

Victoria Harper

Editor-in-Chief

Meet the author

As a journalist and lead editor at Visto n’ Visa, Victoria helps ensure that immigration topics are covered in a clear, trustworthy, and easy-to-understand way. Her focus is on delivering useful, human, and relevant content for people exploring new paths abroad.