+44-117-(3260000...3269999): Bristol, City of Bristol (BST) Read more about +44-117-(3260000...3269999)
+44-121-(7150000...7159999): Birmingham, Birmingham (BIR) Read more about +44-121-(7150000...7159999)
+44-131-(2500000...2509999): Edinburgh, City of Edinburgh (EDH) Read more about +44-131-(2500000...2509999)
+44-1443-(630000...639999): Pontypridd, Rhondda Cynon Taff (RCT) Read more about +44-1443-(630000...639999)
+44-161-(3610000...3619999): Manchester, Manchester (MAN) Read more about +44-161-(3610000...3619999)
+44-20-(80110000...80119999): London, City of London (LND) Read more about +44-20-(80110000...80119999)