Keskmine GPS koordinaadid postiindeks 18001: 40.693, -75.471
videod linnad:
>> Lehigh Valley 18001, Pennsylvania, Northampton, GPS koordinaadid: 40.6934,-75.4712
videod linnad:
>> Lehigh Valley 18001, Pennsylvania, Northampton, GPS koordinaadid: 40.6934,-75.4712