Prepaid but call display not showing up, just caller "unknown" displayed for ever caller, why?

[DDKD726]

***Edited to add labels***

[Anonymous]

what phone do you have?

[DDKD726]

iPhone 3GS

[Anonymous · Accepted solution]

Your best bet is to call customer service, and verify you have the proper caller id code placed on your account.

[FidoErin]

Thanks for helping out Paolo!