Gjennomsnittlig GPS-koordinater for postnummer bn20: 50.778, 0.242
Notering byer:
>> Willingdon BN20, Sussex, England, GPS-koordinater: 50.8001,0.255
>> Holywell BN20, Sussex, England, GPS-koordinater: 50.7747,0.2523
>> Friston BN20, Sussex, England, GPS-koordinater: 50.764,0.1993
>> East Dean BN20, Sussex, England, GPS-koordinater: 50.7747,0.2523
>> Birling Gap BN20, Sussex, England, GPS-koordinater: 50.7747,0.2523
Notering byer:
>> Willingdon BN20, Sussex, England, GPS-koordinater: 50.8001,0.255
>> Holywell BN20, Sussex, England, GPS-koordinater: 50.7747,0.2523
>> Friston BN20, Sussex, England, GPS-koordinater: 50.764,0.1993
>> East Dean BN20, Sussex, England, GPS-koordinater: 50.7747,0.2523
>> Birling Gap BN20, Sussex, England, GPS-koordinater: 50.7747,0.2523