Area Code +44-8721-(510000...519999) 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 8721 510000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8721 510000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
510000 ~ 519999 (Count: 10,000)
Example:
+44-8721-510000 / 0044-8721-510000 (08721-510000 / 0-8721-510000)
+44-8721-510001 / 0044-8721-510001 (08721-510001 / 0-8721-510001)
+44-8721-510002 / 0044-8721-510002 (08721-510002 / 0-8721-510002)
+44-8721-510003 / 0044-8721-510003 (08721-510003 / 0-8721-510003)
+44-8721-510004 / 0044-8721-510004 (08721-510004 / 0-8721-510004)
... +44-8721-xxxxxx / 0044-8721-xxxxxx (08721-xxxxxx / 0-8721-xxxxxx)
... +44-8721-519995 / 0044-8721-519995 (08721-519995 / 0-8721-519995)
+44-8721-519996 / 0044-8721-519996 (08721-519996 / 0-8721-519996)
+44-8721-519997 / 0044-8721-519997 (08721-519997 / 0-8721-519997)
+44-8721-519998 / 0044-8721-519998 (08721-519998 / 0-8721-519998)
+44-8721-519999 / 0044-8721-519999 (08721-519999 / 0-8721-519999)
