Bangkok Port Immigration Office
444 ถนน สุนทรโกษา Khlong Toei, Bangkok 10110
The Bangkok Port Immigration Office sits within the Port Authority area of Khlong Toei. It is a government immigration office handling matters such as visa extensions, 90-day reporting and re-entry permits for foreigners, with jurisdiction tied to specific districts. Procedures, required documents and queue times change, so check the current rules on the Thai Immigration Bureau website and confirm which office covers your address before going, and arrive early as these offices can get busy.