I-58 was assigned to the Sixth Fleet's Submarine Squadron 11 for training in the Inland Sea before being assigned to the 15th Submarine Division on 4 December 1944.
I-58 ditugaskan ke Keenam Armada Submarine Squadron 11 untuk pelatihan di Laut Inland sebelum ditugaskan ke Divisi Submarine 15 pada tanggal 4 Desember 1944.