Gjennomsnittlig GPS-koordinater for postnummer 300131: 39.181, 117.147
Notering byer:
>> Dingzigubeidajie/(丁字沽北大街)等 300131, Tianjin/天津, Tianjin City/天津市, GPS-koordinater: 39.18094,117.14713
Notering byer:
>> Dingzigubeidajie/(丁字沽北大街)等 300131, Tianjin/天津, Tianjin City/天津市, GPS-koordinater: 39.18094,117.14713