КодСтранаРегионГородОператорДобавлено
+850 73 Северная КореяNorth HamgyongChongjin2013-10-18
+850 73 Северная КореяChongjin (North Hamgyong)2013-10-18
+850 73 Korea, NorthChongjin, Hamgyŏng-buktoKorea Post and Telecommunications Corporation (KPTC)