Gjennomsnittlig GPS-koordinater for postnummer 20511: 3.559, 98.872
Notering byer:
>> Lubuk Pakam I,II 20511, North Sumatra, Deli Serdang, GPS-koordinater: 3.5592,98.87231
Notering byer:
>> Lubuk Pakam I,II 20511, North Sumatra, Deli Serdang, GPS-koordinater: 3.5592,98.87231