how can an old telephone number on an iPhone 5 be kept or transferred onto an iPhone 6?

Hello and Good Morning Everyone,

           My fiancee is getting ready to upgrade from an iPhone 5 to an iPhone 6 which brings me to the point of this upcoming question.   How can she keep her old telephone number on the iPhone 5 when she upgrades to the iPhone 6?  In other words, can she possibly transfer her old telephone number to the new iPhone 6?  Her carrier is AT&T.

           Thank you

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web_trackerComputer Service TechnicianCommented:
You have to contact your service provider (carrier)  to do that, AT&T. It may cost a fee if the other phone is not purchased through them and they will need to put a sim chip in the phone so that the phone can be used on their network.
Andrew LeniartIT Consultant & Freelance JournalistCommented:
Hi George,

As mentioned by web_tracker, phone numbers have to do with your carrier. You can also switch carriers if you wanted to and also retain the same number. The telephone number of any mobile is not connected to the physical phone, but to the SIM card that is inserted into the phone. Changing any SIM's registered telephone number is simplicity itself for just about any retail mobile phone outlet and can be done while you wait in minutes, including porting a number over to another service provider.

Finally, if you are just changing physical phones and not her service provider, then there will likely be "no need" to contact AT&T at all.

Both the iPhone 5 and iPhone 6 support what's called a "Nano-SIM" card. More info & Pictures here.

Simply power down the iPhone 5, remove the sim card from it, insert it into the iPhone 6 and power the iPhone 6 up. Everything should just work. I've done this myself more than once without any issues. I've also occasionally temporarily switched the SIM card from one iPhone to another totally different model for a variety of purposes - works every time and have never had an issue.

Hope that's helpful.

Regards, Andrew

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GMartinAuthor Commented:
Thank you, everyone, for taking the time to address my question.   I especially appreciate the feedback given by Andrew which certainly demystifies the process involved in changing out the SIMM card in addition to its role as a storage device.  Seeing that we will be changing the phones and not the carrier, it makes sense this transition should go smoothly and without the need for professional intervention.

On a side note, I have recently opened up a new question which can be located at that I feel confident can be answered.  

Thanks again.

Andrew LeniartIT Consultant & Freelance JournalistCommented:
Pleasure George, glad I was able to help out. I've also put a comment in your other question which I hope answers your queries there :)

Regards, Andrew
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