+44-1236-(549000...549999): Coatbridge, North Lanarkshire (NLK) Read more about +44-1236-(549000...549999)
+44-1242-(364000...364999): Cheltenham, Gloucestershire (GLS) Read more about +44-1242-(364000...364999)
+44-1246-(919000...919999): Chesterfield, Derbyshire (DBY) Read more about +44-1246-(919000...919999)
+44-1248-(299000...299999): Bangor (Gwynedd), Gwynedd (GWN) Read more about +44-1248-(299000...299999)