Gjennomsnittlig GPS-koordinater for postnummer 16430: 45.71, 0.146

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Notering byer:
>> Balzac 16430, Poitou-Charentes, Charente, Arrondissement d'Angoulême, GPS-koordinater: 45.7,0.1167
>> Champniers 16430, Poitou-Charentes, Charente, Arrondissement d'Angoulême, GPS-koordinater: 45.7145,0.2044
>> Vindelle 16430, Poitou-Charentes, Charente, Arrondissement d'Angoulême, GPS-koordinater: 45.7167,0.1167