Question: are calls to 0333 free on bt landline?
Answer: If you have to call a 0333 number, BT's latest price guide (April 2017) shows the cost as being 12p per minute plus a setup fee of 21p. ... With BT's calling plans: 'Unlimited Anytime Calls': The cost of your call to a 0333 number is free as it's included in your calling plan.