UK Landline,51,100
On-Net Uk Landline,151,200
On-NetMobile,201,251
Orange,251,300
O2,301,351
Vodafone,351,400
Dolphin,401,451
T-Mobile,451,500
3-Mobile,501,550
OtherMobile,551,600
Premium,601,5600
DQ,5601,10600
SMS,10601,10650
MMS,10651,10700
WAP,10701,10750
VoicemailRetrieval,10751,10800
TrafficLine,10801,10850
InfoTextRequest,10851,10900
InfoTextMessage,10901,10950
GroupConferencing,10951,11000
Iridium,11001,11050
GPRS,11101,11150
ImmarsatA,90001,90050
ImmarsatB,90051,90100
ImmarsatM,90101,90150
ImmarsatMiniM,90151,90200	
Discount,91001,91028
InclusivePackages,91029,91030