Prosečne GPS koordinate za poštanski broj 631-441: 35.198, 128.573
Spisak gradova:
>> Sinpodong 1(il)-ga/신포동1가 631-441, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.19771,128.57299
Spisak gradova:
>> Sinpodong 1(il)-ga/신포동1가 631-441, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.19771,128.57299