Anyone planning to use the nakhon sawan office I just got my 1 year extension of stay.Be prepared for a wait in 7 years of using the office I have never seen so many people there but as usuall all staff are very polite and efficient.
TLDR : Answer Summary
A user shares their experience of obtaining a 1-year extension of stay at the Nakhon Sawan Immigration Office, noting the unusually large crowd but praising the polite and efficient staff. Another commenter adds that some immigration offices have been known to turn people away, making the original poster's successful visit noteworthy.