Prosečne GPS koordinate za poštanski broj 631-830: 35.105, 128.422
Spisak gradova:
>> Jinjeon-myeon/진전면 631-830, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.10526,128.42184
Spisak gradova:
>> Jinjeon-myeon/진전면 631-830, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.10526,128.42184