Gjennomsnittlig GPS-koordinater for postnummer cm11: 51.621, 0.447

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Notering byer:
>> Billericay CM11, Essex, England, GPS-koordinater: 51.6287,0.4196
>> Ramsden Bellhouse CM11, Essex, England, GPS-koordinater: 51.621,0.4823
>> Great Burstead CM11, Essex, England, GPS-koordinater: 51.603,0.4448
>> Crays Hill CM11, Essex, England, GPS-koordinater: 51.6237,0.4456
>> South Green CM11, Essex, England, GPS-koordinater: 51.6237,0.4456
>> Ramsden Heath CM11, Essex, England, GPS-koordinater: 51.6237,0.4456
>> Downham CM11, Essex, England, GPS-koordinater: 51.6237,0.4456