Gjennomsnittlig GPS-koordinater for postnummer 221131: 34.303, 117.328
Notering byer:
>> Dahuangshan Township/大黄山乡等 221131, Jiangsu/江苏, Tongshan County/铜山县, GPS-koordinater: 34.30322,117.32754
Notering byer:
>> Dahuangshan Township/大黄山乡等 221131, Jiangsu/江苏, Tongshan County/铜山县, GPS-koordinater: 34.30322,117.32754