Prosečne GPS koordinate za poštanski broj 18175: 40.586, -75.621
Spisak gradova:
>> Allentown 18175, Pennsylvania, Lehigh, GPS koordinate: 40.5856,-75.6211
Spisak gradova:
>> Allentown 18175, Pennsylvania, Lehigh, GPS koordinate: 40.5856,-75.6211