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+44-121-(5960000...5969999): Birmingham, Birmingham (BIR) Read more about +44-121-(5960000...5969999)
+44-1223-(974000...974999): Cambridge, Cambridgeshire (CAM) Read more about +44-1223-(974000...974999)
+44-1273-(045000...045999): Brighton, Brighton and Hove (BNH) Read more about +44-1273-(045000...045999)
+44-131-(2940000...2949999): Edinburgh, City of Edinburgh (EDH) Read more about +44-131-(2940000...2949999)