New helpdesk numberAug 19, 2013
The Oyster helpline can now be reached via the TfL main number which is 0343 222 1234. This is treated like 01 and 02 numbers for inclusion into free minutes on mobile and landline plans. The Oyster helpline is under option 1 on the initial menu, along with ticketing and contactless payment. Remember that Oyster is only open between 8am and 8pm while the above number is answered 24/7.