Gjennomsnittlig GPS-koordinater for postnummer 20611: 3.349, 99.127
Notering byer:
>> Berohol 20611, North Sumatra, Tebing Tinggi, GPS-koordinater: 3.34905,99.12707
>> Karya Jaya 20611, North Sumatra, Tebing Tinggi, GPS-koordinater: 3.34912,99.12714
Notering byer:
>> Berohol 20611, North Sumatra, Tebing Tinggi, GPS-koordinater: 3.34905,99.12707
>> Karya Jaya 20611, North Sumatra, Tebing Tinggi, GPS-koordinater: 3.34912,99.12714