+44-1236-(309000...309999): Coatbridge, North Lanarkshire (NLK) Read more about +44-1236-(309000...309999)
+44-1242-(334000...334999): Cheltenham, Gloucestershire (GLS) Read more about +44-1242-(334000...334999)
+44-1246-(890000...890999): Chesterfield, Derbyshire (DBY) Read more about +44-1246-(890000...890999)