Area Code +44-9072-(570000...579999) located in Special Services pay for product that costs more than £1 in total for BT customers, more detail is as below.
Place
International Dialing Code
: 44
International Prefix
: 00
National Prefix
: 0
National Destination Code
: 9072
Subscriber Number From
: 570000
Subscriber Number To
: 579999
National Destination Code Length
: 4
Uses National Destination Code
: Yes
National Significant Number Length
: 10
Number Type
: S (Special)
Carrier Name
: TRA (UK) LTD
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Other Information
Dialling Instructions
For trunk calls: 0 9072 570000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 9072 570000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
570000 ~ 579999 (Count: 10,000)
Example:
+44-9072-570000 / 0044-9072-570000 (09072-570000 / 0-9072-570000)
+44-9072-570001 / 0044-9072-570001 (09072-570001 / 0-9072-570001)
+44-9072-570002 / 0044-9072-570002 (09072-570002 / 0-9072-570002)
+44-9072-570003 / 0044-9072-570003 (09072-570003 / 0-9072-570003)
+44-9072-570004 / 0044-9072-570004 (09072-570004 / 0-9072-570004)
... +44-9072-xxxxxx / 0044-9072-xxxxxx (09072-xxxxxx / 0-9072-xxxxxx)
... +44-9072-579995 / 0044-9072-579995 (09072-579995 / 0-9072-579995)
+44-9072-579996 / 0044-9072-579996 (09072-579996 / 0-9072-579996)
+44-9072-579997 / 0044-9072-579997 (09072-579997 / 0-9072-579997)
+44-9072-579998 / 0044-9072-579998 (09072-579998 / 0-9072-579998)
+44-9072-579999 / 0044-9072-579999 (09072-579999 / 0-9072-579999)
