+44-1285-(530000...539999): Cirencester, Gloucestershire (GLS) Read more about +44-1285-(530000...539999)
+44-1287-(540000...549999): Guisborough, Redcar and Cleveland (RCC) Read more about +44-1287-(540000...549999)
+44-1289-(320000...329999): Berwick-upon-Tweed, Northumberland (NBL) Read more about +44-1289-(320000...329999)