Area Code +44-8721-(550000...559999) 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 550000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8721 550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
550000 ~ 559999 (Count: 10,000)
Example:
+44-8721-550000 / 0044-8721-550000 (08721-550000 / 0-8721-550000)
+44-8721-550001 / 0044-8721-550001 (08721-550001 / 0-8721-550001)
+44-8721-550002 / 0044-8721-550002 (08721-550002 / 0-8721-550002)
+44-8721-550003 / 0044-8721-550003 (08721-550003 / 0-8721-550003)
+44-8721-550004 / 0044-8721-550004 (08721-550004 / 0-8721-550004)
... +44-8721-xxxxxx / 0044-8721-xxxxxx (08721-xxxxxx / 0-8721-xxxxxx)
... +44-8721-559995 / 0044-8721-559995 (08721-559995 / 0-8721-559995)
+44-8721-559996 / 0044-8721-559996 (08721-559996 / 0-8721-559996)
+44-8721-559997 / 0044-8721-559997 (08721-559997 / 0-8721-559997)
+44-8721-559998 / 0044-8721-559998 (08721-559998 / 0-8721-559998)
+44-8721-559999 / 0044-8721-559999 (08721-559999 / 0-8721-559999)
