Prosečne GPS koordinate za poštanski broj 57440: 44.808, -98.294
Spisak gradova:
>> Frankfort 57440, South Dakota, Spink, GPS koordinate: 44.8084,-98.2935
Spisak gradova:
>> Frankfort 57440, South Dakota, Spink, GPS koordinate: 44.8084,-98.2935