Some number can't call or text me

[Nosey]

I changed to O2 giffgaff and the problem started so I changed back directly with O2 and the problem remains.  Since changing to giffgaff certain contacts can't call or text me, they are not blocked on the handset.  Any ideas please?

[Cleoriff]

@Nosey 

Have you tried deleting those contacts and reinstalling them?

Otherwise I would try a new sim.

Best of luck and welcome to the forum

[Nosey]

Dear Cleoriff thankyou for the reply, I have tried a new sim and reinstalling all the contacts, still no joy.

[gmarkj · Accepted solution]

Sounds like it might be a porting issue.
Try calling customer services and see what they say.
Best time to call is normally between 8am and 8:30am.

[Nosey]

Dear Gmarkj

Thank you for your reply, I'll give them a call.