Bank Mandiri. PT Persero Tbk is a Bank located in Indonesia. It is one of the 106176 banks in Indonesia. Address of Bank Mandiri. PT Persero Tbk is Desa Tosuraya, Walantakan, Langowan, Kabupaten Minahasa, Sulawesi Utara, Indonesia. Website of Bank Mandiri. PT Persero Tbk is bankmandiri.co.id. Bank Mandiri. PT Persero Tbk can be contacted at 624313174715. Bank Mandiri. PT Persero Tbk is located in a remote area, with less than 1 listed places around it.