Prosečne GPS koordinate za poštanski broj 18068: 40.693, -75.471
Spisak gradova:
>> Old Zionsville 18068, Pennsylvania, Lehigh, GPS koordinate: 40.6934,-75.4712
Spisak gradova:
>> Old Zionsville 18068, Pennsylvania, Lehigh, GPS koordinate: 40.6934,-75.4712