I'm assuming you're asking for a single entry re-entry permit that keeps your "admitted to" stamp alive when you leave the country. I DO NOT know if Phuket International is selling the Re-entry permits, however the local immigration office will sell them.
According to
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you will need:
- A TM 30
- A completed TM8 form (for the re-entry permit request)
- The passport and a copy of the:
Data page
Current visa/ extension of stay
Entry stamp
Departure card
1x passport size picture
1,000 THB processing fee.