Prosečne GPS koordinate za poštanski broj 63-405: 51.65, 17.817
Spisak gradova:
>> Sieroszewice 63-405, Wielkopolskie, ostrowski, GPS koordinate: 51.65,17.8167
Spisak gradova:
>> Sieroszewice 63-405, Wielkopolskie, ostrowski, GPS koordinate: 51.65,17.8167