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+44-1273-(879000...879999): Brighton, Brighton and Hove (BNH) Read more about +44-1273-(879000...879999)
+44-1279-(936000...936999): Bishops Stortford, Hertfordshire (HRT) Read more about +44-1279-(936000...936999)
+44-1283-(338000...338999): Burton-on-Trent, Staffordshire (STS) Read more about +44-1283-(338000...338999)
+44-1285-(406000...406999): Cirencester, Gloucestershire (GLS) Read more about +44-1285-(406000...406999)