Gjennomsnittlig GPS-koordinater for postnummer 56121: 43.674, 10.398

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Notering byer:
>> Coltano 56121, Toscana, Pisa, GPS-koordinater: 43.6333,10.4
>> Pisa 56121, Toscana, Pisa, GPS-koordinater: 43.7155,10.3966
>> Putignano 56121, Toscana, Pisa, GPS-koordinater: 43.6744,10.3983
>> Riglione 56121, Toscana, Pisa, GPS-koordinater: 43.6744,10.3983