Prosečne GPS koordinate za poštanski broj 29817: 33.365, -81.272
Spisak gradova:
>> Blackville 29817, South Carolina, Barnwell, GPS koordinate: 33.3645,-81.2718
Spisak gradova:
>> Blackville 29817, South Carolina, Barnwell, GPS koordinate: 33.3645,-81.2718