Gjennomsnittlig GPS-koordinater for postnummer 20917: 3.519, 99.141
Notering byer:
>> Pematang Pelintahan 20917, North Sumatra, Serdang Bedagai, GPS-koordinater: 3.51927,99.14057
Notering byer:
>> Pematang Pelintahan 20917, North Sumatra, Serdang Bedagai, GPS-koordinater: 3.51927,99.14057