Gjennomsnittlig GPS-koordinater for postnummer 657700: 28.598, 103.959
Notering byer:
>> Nanan Town/南岸镇等 657700, Yunnan/云南, Suijiang County/绥江县, GPS-koordinater: 28.59824,103.95852
Notering byer:
>> Nanan Town/南岸镇等 657700, Yunnan/云南, Suijiang County/绥江县, GPS-koordinater: 28.59824,103.95852