+44-115-(7550000...7559999): Nottingham, Nottingham (NGM) Read more about +44-115-(7550000...7559999)
+44-116-(4550000...4559999): Leicester, Leicestershire (LEC) Read more about +44-116-(4550000...4559999)
+44-117-(2720000...2729999): Bristol, City of Bristol (BST) Read more about +44-117-(2720000...2729999)
+44-121-(5770000...5779999): Birmingham, Birmingham (BIR) Read more about +44-121-(5770000...5779999)
+44-1267-(869000...869999): Carmarthen, Carmarthenshire (CMN) Read more about +44-1267-(869000...869999)
+44-1269-(603000...603999): Ammanford, Carmarthenshire (CMN) Read more about +44-1269-(603000...603999)
+44-131-(6460000...6469999): Edinburgh, City of Edinburgh (EDH) Read more about +44-131-(6460000...6469999)