Prosečne GPS koordinate za poštanski broj 19518: 40.271, -75.74
Spisak gradova:
>> Douglassville 19518, Pennsylvania, Berks, GPS koordinate: 40.2709,-75.7397
Spisak gradova:
>> Douglassville 19518, Pennsylvania, Berks, GPS koordinate: 40.2709,-75.7397