Area Code +44-9135-(550000...559999) located in Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers, more detail is as below.
Place
Other Information
Dialling Instructions
For trunk calls: 0 9135 550000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 9135 550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
550000 ~ 559999 (Count: 10,000)
Example:
+44-9135-550000 / 0044-9135-550000 (09135-550000 / 0-9135-550000)
+44-9135-550001 / 0044-9135-550001 (09135-550001 / 0-9135-550001)
+44-9135-550002 / 0044-9135-550002 (09135-550002 / 0-9135-550002)
+44-9135-550003 / 0044-9135-550003 (09135-550003 / 0-9135-550003)
+44-9135-550004 / 0044-9135-550004 (09135-550004 / 0-9135-550004)
... +44-9135-xxxxxx / 0044-9135-xxxxxx (09135-xxxxxx / 0-9135-xxxxxx)
... +44-9135-559995 / 0044-9135-559995 (09135-559995 / 0-9135-559995)
+44-9135-559996 / 0044-9135-559996 (09135-559996 / 0-9135-559996)
+44-9135-559997 / 0044-9135-559997 (09135-559997 / 0-9135-559997)
+44-9135-559998 / 0044-9135-559998 (09135-559998 / 0-9135-559998)
+44-9135-559999 / 0044-9135-559999 (09135-559999 / 0-9135-559999)