Area Code +44-8717-(520000...529999) located in Special Services higher rate: up to and including 10p for BT customers (non-internet), more detail is as below.
Place
Other Information
Dialling Instructions
For trunk calls: 0 8717 520000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8717 520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
520000 ~ 529999 (Count: 10,000)
Example:
+44-8717-520000 / 0044-8717-520000 (08717-520000 / 0-8717-520000)
+44-8717-520001 / 0044-8717-520001 (08717-520001 / 0-8717-520001)
+44-8717-520002 / 0044-8717-520002 (08717-520002 / 0-8717-520002)
+44-8717-520003 / 0044-8717-520003 (08717-520003 / 0-8717-520003)
+44-8717-520004 / 0044-8717-520004 (08717-520004 / 0-8717-520004)
... +44-8717-xxxxxx / 0044-8717-xxxxxx (08717-xxxxxx / 0-8717-xxxxxx)
... +44-8717-529995 / 0044-8717-529995 (08717-529995 / 0-8717-529995)
+44-8717-529996 / 0044-8717-529996 (08717-529996 / 0-8717-529996)
+44-8717-529997 / 0044-8717-529997 (08717-529997 / 0-8717-529997)
+44-8717-529998 / 0044-8717-529998 (08717-529998 / 0-8717-529998)
+44-8717-529999 / 0044-8717-529999 (08717-529999 / 0-8717-529999)