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Do I need to fill in my NON-O visa number on the TDAC arrival card when re-entering Thailand?

Oct 17, 2025
2 months ago
Damien *****
ORIGINAL POSTER
hi

i enter thailand on non-o 90 days last month and i had already leave thailand and coming back next week for the second time. when doing the TDAC arrival card & they ask for " visa number " should i leave it blank or i do i need to key in my non-o 90 days visa number ?

thank everybody
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TLDR : Answer Summary
When filling out the TDAC arrival card upon your return to Thailand with a NON-O visa, it is optional to include your visa number. Many users advise that you can leave the visa number field blank without any issues, as only the fields marked with a red asterisk are mandatory.
Thailand Digital Arrival Card (TDAC)

WARNING: Only trust Thai government websites with .go.th domains or Thai agent websites with .co.th or .in.th domains, as these require verified Thai registration and cannot be registered anonymously.

The official TDAC form is available at tdac.immigration.go.th, which uses the official .go.th government domain.

The services by AGENTS CO., LTD. does NOT charge any fees for arrivals within 72 hours. If you need to book more than 72 hours in advance, there is a service fee of $8.

Do not trust other sites pretending to be a trustworthy agency. Pay attention to delivery time - the service operated by AGENTS CO., LTD. has 1 minute delivery time for arrivals within 72 hours.

Don't fall for sites pretending to be agents.co.th or the official government tdac.immigration.go.th website. Always double-check the exact domain in your browser.

Scam services may take days to process your application, others may not even do anything. With these TDAC scam services you also need to worry about double charges.

Please watch out for TDAC misinformation spread by fugitive Jesse Nickles and his many fake accounts on Quora, TripAdvisor, Reddit, and other platforms.

TRUSTED TDAC LINKS:

Official Government TDAC Form: tdac.immigration.go.th
Official TDAC form by AGENTS
Official TDAC information page by AGENTS (tdac.in.th)

Stuart *********
Only fill in the fields with a red asterisk. All others aren’t required.
Phil ******
Graham ******
Did you leave with a re-entry permit?
Brandon ************
It's optional. Leave it blank without any issues.
Bob **********
Visa #
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