I can confirm that Bangkok Bank told me that my account needed to be closed because my DTV was insufficient. Frozen on Friday. Closed on Monday. They advised me to come back when I had an OA visa. Pattaya branch.
I used an agent in Pattaya to open an account at Bangkok Bank. I needed a passport, my Airbnb rental agreement (one month rental), and a copy of my us drivers license. I gave the agent a copy of my documents on a Monday. The agent set up an appointment for me at the bank the next morning. Someone from the agency accompanied me to the appointment the next morning and facilitated.
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.