Rolling contract free SIM cancellation

[Bikersteve]

Hi bit confused so can anyone help.The bill comes around the 6th and payment is taken on the 27th on a  contract free rolling SIM only deal.I want to cancel çan anyone suggests the best date to do this,thanks.

[MI5]

@Bikersteve 

As soon as possible.

You only pay for usage since last bill date.

Guide: Cancelling Your Contract 

[Bikersteve]

Ok so my bill is always a fixed amount so if I change provider today will I still get billed in May when the next bill is due or just a portion of it it's £9 or am I best doing it a couple of days before the billing date.

[MI5 · Accepted solution]

@Bikersteve 

Just the days since the last bill so the sooner you do it, the less you'll pay.