Area Code +44-8713-(540000...549999) 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 8713 540000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8713 540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
540000 ~ 549999 (Count: 10,000)
Example:
+44-8713-540000 / 0044-8713-540000 (08713-540000 / 0-8713-540000)
+44-8713-540001 / 0044-8713-540001 (08713-540001 / 0-8713-540001)
+44-8713-540002 / 0044-8713-540002 (08713-540002 / 0-8713-540002)
+44-8713-540003 / 0044-8713-540003 (08713-540003 / 0-8713-540003)
+44-8713-540004 / 0044-8713-540004 (08713-540004 / 0-8713-540004)
... +44-8713-xxxxxx / 0044-8713-xxxxxx (08713-xxxxxx / 0-8713-xxxxxx)
... +44-8713-549995 / 0044-8713-549995 (08713-549995 / 0-8713-549995)
+44-8713-549996 / 0044-8713-549996 (08713-549996 / 0-8713-549996)
+44-8713-549997 / 0044-8713-549997 (08713-549997 / 0-8713-549997)
+44-8713-549998 / 0044-8713-549998 (08713-549998 / 0-8713-549998)
+44-8713-549999 / 0044-8713-549999 (08713-549999 / 0-8713-549999)