Area Code +44-8444-(420000...429999) located in Special Services basic rate: up to and including 5p for BT customers (non-internet), more detail is as below.
Place
Other Information
Dialling Instructions
For trunk calls: 0 8444 420000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8444 420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
420000 ~ 429999 (Count: 10,000)
Example:
+44-8444-420000 / 0044-8444-420000 (08444-420000 / 0-8444-420000)
+44-8444-420001 / 0044-8444-420001 (08444-420001 / 0-8444-420001)
+44-8444-420002 / 0044-8444-420002 (08444-420002 / 0-8444-420002)
+44-8444-420003 / 0044-8444-420003 (08444-420003 / 0-8444-420003)
+44-8444-420004 / 0044-8444-420004 (08444-420004 / 0-8444-420004)
... +44-8444-xxxxxx / 0044-8444-xxxxxx (08444-xxxxxx / 0-8444-xxxxxx)
... +44-8444-429995 / 0044-8444-429995 (08444-429995 / 0-8444-429995)
+44-8444-429996 / 0044-8444-429996 (08444-429996 / 0-8444-429996)
+44-8444-429997 / 0044-8444-429997 (08444-429997 / 0-8444-429997)
+44-8444-429998 / 0044-8444-429998 (08444-429998 / 0-8444-429998)
+44-8444-429999 / 0044-8444-429999 (08444-429999 / 0-8444-429999)