This application allows you to get the carrier of any cell phone number. Hence you can scan your contacts to update the label with the carrier. Each time you add a contact or a cell number, perform a scan to update it as well.
No more problem to know which SIM card to use to take advantage of your phone carrier promotion, by make calls to phones that use the same mobile phone carrier of you use.
Support worldwide and Mobile Number Portability (MNP). Try it for free now!