Prosečne GPS koordinate za poštanski broj 11618: 6.962, 80.003
Spisak gradova:
>> Heiyanthuduwa 11618, Gampaha, GQ, GPS koordinate: 6.9618,80.0025
Spisak gradova:
>> Heiyanthuduwa 11618, Gampaha, GQ, GPS koordinate: 6.9618,80.0025