+44-1242-(200000...209999): Cheltenham, Gloucestershire (GLS) Read more about +44-1242-(200000...209999)
+44-1242-(740000...749999): Cheltenham, Gloucestershire (GLS) Read more about +44-1242-(740000...749999)
+44-1246-(610000...619999): Chesterfield, Derbyshire (DBY) Read more about +44-1246-(610000...619999)
+44-1248-(400000...409999): Bangor (Gwynedd), Gwynedd (GWN) Read more about +44-1248-(400000...409999)