Area Code +44-8440-(404000...404999) located in Internet Services incorporating un-metered access up to and including 5p for BT customers, more detail is as below.
Place
International Dialing Code
: 44
International Prefix
: 00
National Prefix
: 0
National Destination Code
: 8440
Subscriber Number From
: 404000
Subscriber Number To
: 404999
National Destination Code Length
: 4
Uses National Destination Code
: Yes
National Significant Number Length
: 10
Number Type
: S (Special)
Carrier Name
: BT
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Other Information
Dialling Instructions
For trunk calls: 0 8440 404000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8440 404000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
404000 ~ 404999 (Count: 1,000)
Example:
+44-8440-404000 / 0044-8440-404000 (08440-404000 / 0-8440-404000)
+44-8440-404001 / 0044-8440-404001 (08440-404001 / 0-8440-404001)
+44-8440-404002 / 0044-8440-404002 (08440-404002 / 0-8440-404002)
+44-8440-404003 / 0044-8440-404003 (08440-404003 / 0-8440-404003)
+44-8440-404004 / 0044-8440-404004 (08440-404004 / 0-8440-404004)
... +44-8440-xxxxxx / 0044-8440-xxxxxx (08440-xxxxxx / 0-8440-xxxxxx)
... +44-8440-404995 / 0044-8440-404995 (08440-404995 / 0-8440-404995)
+44-8440-404996 / 0044-8440-404996 (08440-404996 / 0-8440-404996)
+44-8440-404997 / 0044-8440-404997 (08440-404997 / 0-8440-404997)
+44-8440-404998 / 0044-8440-404998 (08440-404998 / 0-8440-404998)
+44-8440-404999 / 0044-8440-404999 (08440-404999 / 0-8440-404999)
