Gjennomsnittlig GPS-koordinater for postnummer 301509: 39.322, 117.634
Notering byer:
>> Dabeijiangu Township/大北涧沽乡等 301509, Tianjin/天津, Ninghe County/宁河县, GPS-koordinater: 39.322,117.63381
Notering byer:
>> Dabeijiangu Township/大北涧沽乡等 301509, Tianjin/天津, Ninghe County/宁河县, GPS-koordinater: 39.322,117.63381