Prosečne GPS koordinate za poštanski broj 256401: 36.959, 118.046
Spisak gradova:
>> Tangshan Town/唐山镇等 256401, Shandong/山东, Huantai County/桓台县, GPS koordinate: 36.95948,118.04605
Spisak gradova:
>> Tangshan Town/唐山镇等 256401, Shandong/山东, Huantai County/桓台县, GPS koordinate: 36.95948,118.04605