Prosečne GPS koordinate za poštanski broj 18951: 40.441, -75.351
Spisak gradova:
>> Quakertown 18951, Pennsylvania, Bucks, GPS koordinate: 40.4411,-75.3507
Spisak gradova:
>> Quakertown 18951, Pennsylvania, Bucks, GPS koordinate: 40.4411,-75.3507