What are the Address of the Immigration Office in Cao Lanh city, Dong Thap Province ? Address, Phone, Map, Website & Working time, please find below : Dong Thap Immigration Office Address : 16 Vo Truong Toan, Ward 1, Cao Lanh City, Dong Thap Province. Phone : 02773851390 | Fax: 0693620237 Website : https://dongthap.