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+44-116-(3180000...3189999): Leicester, Leicestershire (LEC) Read more about +44-116-(3180000...3189999)
+44-117-(3180000...3189999): Bristol, City of Bristol (BST) Read more about +44-117-(3180000...3189999)
+44-1202-(378000...378999): Bournemouth, Bournemouth (BMH) Read more about +44-1202-(378000...378999)
+44-121-(3180000...3189999): Birmingham, Birmingham (BIR) Read more about +44-121-(3180000...3189999)
+44-1223-(926000...926999): Cambridge, Cambridgeshire (CAM) Read more about +44-1223-(926000...926999)
+44-1225-(290000...299999): Bath, Bath and North East Somerset (BAS) Read more about +44-1225-(290000...299999)