Area Code +44-8723-(450000...459999) 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 8723 450000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8723 450000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
450000 ~ 459999 (Count: 10,000)
Example:
+44-8723-450000 / 0044-8723-450000 (08723-450000 / 0-8723-450000)
+44-8723-450001 / 0044-8723-450001 (08723-450001 / 0-8723-450001)
+44-8723-450002 / 0044-8723-450002 (08723-450002 / 0-8723-450002)
+44-8723-450003 / 0044-8723-450003 (08723-450003 / 0-8723-450003)
+44-8723-450004 / 0044-8723-450004 (08723-450004 / 0-8723-450004)
... +44-8723-xxxxxx / 0044-8723-xxxxxx (08723-xxxxxx / 0-8723-xxxxxx)
... +44-8723-459995 / 0044-8723-459995 (08723-459995 / 0-8723-459995)
+44-8723-459996 / 0044-8723-459996 (08723-459996 / 0-8723-459996)
+44-8723-459997 / 0044-8723-459997 (08723-459997 / 0-8723-459997)
+44-8723-459998 / 0044-8723-459998 (08723-459998 / 0-8723-459998)
+44-8723-459999 / 0044-8723-459999 (08723-459999 / 0-8723-459999)