If I am unable to dial the Yim Siam access number?
Yim Siam has notified other operators like NTL, Telewest and mobile providers to recognise our access number on their networks. It is possible that some providers may not have updated their networks and you could find that our access number is not available from all networks. If you do experience this problem, then please contact your service provider, tell them the access number for Yim Siam is: 0871 669 1010 and ask if they can open up this telephone number on their network.
