+86-451-(00000000...99999999): Harbin, Heilongjiang (23) Baca lebih lanjut mengenai +86-451-(00000000...99999999)
+86-452-(0000000...9999999): Qiqihar, Heilongjiang (23) Baca lebih lanjut mengenai +86-452-(0000000...9999999)
+86-453-(0000000...9999999): Mudanjiang, Heilongjiang (23) Baca lebih lanjut mengenai +86-453-(0000000...9999999)
+86-454-(0000000...9999999): Jiamusi, Heilongjiang (23) Baca lebih lanjut mengenai +86-454-(0000000...9999999)
+86-455-(0000000...9999999): Suihua, Heilongjiang (23) Baca lebih lanjut mengenai +86-455-(0000000...9999999)
+86-456-(0000000...9999999): Heihe, Heilongjiang (23) Baca lebih lanjut mengenai +86-456-(0000000...9999999)
+86-457-(0000000...9999999): Jiagedaqi, Heilongjiang (23) Baca lebih lanjut mengenai +86-457-(0000000...9999999)
+86-458-(0000000...9999999): Yichun, Heilongjiang (23) Baca lebih lanjut mengenai +86-458-(0000000...9999999)
+86-459-(0000000...9999999): Daqing, Heilongjiang (23) Baca lebih lanjut mengenai +86-459-(0000000...9999999)
+86-464-(0000000...9999999): Qitaihe, Heilongjiang (23) Baca lebih lanjut mengenai +86-464-(0000000...9999999)
