+44-1236-(323000...323999): Coatbridge, North Lanarkshire (NLK) Read more about +44-1236-(323000...323999)
+44-1242-(342000...342999): Cheltenham, Gloucestershire (GLS) Read more about +44-1242-(342000...342999)
+44-1246-(796000...796999): Chesterfield, Derbyshire (DBY) Read more about +44-1246-(796000...796999)
+44-1248-(523000...523999): Bangor (Gwynedd), Gwynedd (GWN) Read more about +44-1248-(523000...523999)