+44-117-(3740000...3749999): Bristol, City of Bristol (BST) Lees verder over +44-117-(3740000...3749999)
+44-121-(3120000...3129999): Birmingham, Birmingham (BIR) Lees verder over +44-121-(3120000...3129999)
+44-161-(3830000...3839999): Manchester, Manchester (MAN) Lees verder over +44-161-(3830000...3839999)
+44-8434-(040000...049999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Lees verder over +44-8434-(040000...049999)
+44-8451-(600000...609999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Lees verder over +44-8451-(600000...609999)
