Can you upload cell phone numbers onto your computer?

im fixing to get a new phone and i dont want to have to put them all back manually... if i could upload them on the computer i dont have a usb cable for it... coulld i use blue tooth?Can you upload cell phone numbers onto your computer?
cant u save it on a sd card?Can you upload cell phone numbers onto your computer?
go to the yahoo messenger, and when you put the mouse over a name, a gray box should pop up. when it does, click on the cell phone icon, and u can add the numbers and txt them through the com.
depends on the phone. try this





http://www.wikihow.com/Backup-Your-Mobile-Phone-Contacts-Via-Bluetooth
I know with t-mobile, once you set your account up online, it shows you your contacts on the website. You may want to go to your carriers website first.

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