Keskmine GPS koordinaadid postiindeks 20537: 38.894, -77.025
videod linnad:
>> Washington 20537, District of Columbia, District of Columbia, GPS koordinaadid: 38.8941,-77.0251
videod linnad:
>> Washington 20537, District of Columbia, District of Columbia, GPS koordinaadid: 38.8941,-77.0251