Prosečne GPS koordinate za poštanski broj 510840: 23.432, 113.216
Spisak gradova:
>> Changang, Baini Village/缠岗、白坭村等 510840, Guangdong/广东, Huadu District/花都区, GPS koordinate: 23.4317,113.21574
Spisak gradova:
>> Changang, Baini Village/缠岗、白坭村等 510840, Guangdong/广东, Huadu District/花都区, GPS koordinate: 23.4317,113.21574