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Which visa number should I use on the digital arrival card if I have multiple numbers?

Aug 3, 2025
21 days ago
George ********
ORIGINAL POSTER
I am on a non-immigrant O visa. Immigration asks for my visa number on the new digital arrival card. What sounds like a perfectly simple question gets very puzzling when I try to figure out exactly what they want. I see one number on my original (3 month) non-immigrant visa, a different number on my retirement visa, and yet a third number on my visa extension. Which number do I use?
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TLDR : Answer Summary
The question pertains to confusion over which visa number to use on the new digital arrival card for a non-immigrant O visa holder. The user notes they have multiple numbers from their original visa, their retirement visa, and a visa extension. Responses from the community clarify that filling in the visa number is voluntary and not mandatory, suggesting the user could leave it blank. If they choose to enter a number, the re-entry stamp number or the extension number are recommended.
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)

George ********
ORIGINAL POSTER
Thanks to everybody. I just left the thing blank and it cleared.
John **********
The one on your re-entry permit
Lars ********
John Saw above has the correct answer!
Dca *****
Easiest suggestion to your answer = Leave it blank / don't fill it in as it is NOT required/mandatory
Tod *********
it's not a mandatory field, leave it blank
John *****
Your visa number is the number on your re-entry stamp.
John ********
When in doubt the extension number is the current one to use
Stuart *********
Only fill in the fields with a red asterisk. All others are not needed. Don’t even click in them otherwise they will become “required”.
James ********
@Stuart ********
wise advice ✅
Peter **********
If you want to fill in, use your extension number
Roland **********
Filling in the visa number is not a requirement.

It's voluntary information. There's no red* there.
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