Keskmine GPS koordinaadid postiindeks 20437: 38.903, -77.049
videod linnad:
>> Washington 20437, District of Columbia, District of Columbia, GPS koordinaadid: 38.9028,-77.0485
videod linnad:
>> Washington 20437, District of Columbia, District of Columbia, GPS koordinaadid: 38.9028,-77.0485