Keskmine GPS koordinaadid postiindeks 20388: 38.873, -76.997
videod linnad:
>> Washington 20388, District of Columbia, District of Columbia, GPS koordinaadid: 38.8726,-76.9966
videod linnad:
>> Washington 20388, District of Columbia, District of Columbia, GPS koordinaadid: 38.8726,-76.9966