Gjennomsnittlig GPS-koordinater for postnummer ts18: 54.561, -1.324
Notering byer:
>> Hartburn TS18, County Durham, England, GPS-koordinater: 54.5613,-1.3243
Notering byer:
>> Hartburn TS18, County Durham, England, GPS-koordinater: 54.5613,-1.3243