Keskmine GPS koordinaadid postiindeks 22121: 38.831, -77.432
videod linnad:
>> Mount Vernon 22121, Virginia, Fairfax, GPS koordinaadid: 38.8309,-77.4323
videod linnad:
>> Mount Vernon 22121, Virginia, Fairfax, GPS koordinaadid: 38.8309,-77.4323