Gjennomsnittlig GPS-koordinater for postnummer 20123: 3.588, 98.66
Notering byer:
>> Dwi Kora 20123, North Sumatra, Medan, GPS-koordinater: 3.58527,98.67562
>> Sei Sikambing C II 20123, North Sumatra, Medan, GPS-koordinater: 3.59151,98.6441
Notering byer:
>> Dwi Kora 20123, North Sumatra, Medan, GPS-koordinater: 3.58527,98.67562
>> Sei Sikambing C II 20123, North Sumatra, Medan, GPS-koordinater: 3.59151,98.6441