Prosečne GPS koordinate za poštanski broj 21152: 39.548, -76.682
Spisak gradova:
>> Sparks Glencoe 21152, Maryland, Baltimore, GPS koordinate: 39.5483,-76.6819
Spisak gradova:
>> Sparks Glencoe 21152, Maryland, Baltimore, GPS koordinate: 39.5483,-76.6819