Keskmine GPS koordinaadid postiindeks 20431: 38.899, -77.043
videod linnad:
>> Washington 20431, District of Columbia, District of Columbia, GPS koordinaadid: 38.8986,-77.0428
videod linnad:
>> Washington 20431, District of Columbia, District of Columbia, GPS koordinaadid: 38.8986,-77.0428