Gjennomsnittlig GPS-koordinater for postnummer 28311: 40.128, -3.577
Notering byer:
>> Castillejo 28311, Madrid, Madrid, GPS-koordinater: 40.1277,-3.5769
Notering byer:
>> Castillejo 28311, Madrid, Madrid, GPS-koordinater: 40.1277,-3.5769