How to transfer cell phone contacts to Yahoo?

I got a new phone today as a gift. I still have my old phone. On my new phone my dad didn't transfer the contacts or anything else. How can I do this. Actually this morning I got a text message from someone who had my number. * To sum it up, How can...

These contacts had been copied to my yahoo account when i syncd i-phone with my computer but I had to get the phone repaired recently and all contacts have been lost from phone.

i just got the rogue and i store all my contacts on yahoo from my blackberry. and i sold it and bought a new rogue. i was wondering how i can transfer all my yahoo contacts to the samsung rogue. thank.

My old phone is in pieces. It won't even turn on. So I may be really dating myself but I remember in high school having a similar problem and being able to transfer data from one phone to the next by simply switching out the chips. Can this still be...

so my phone broke. and i have no sim card. and i have contacts that need to be transferred..

how can i save my contacts to my phone from my yahoo mail...

why cant I text message to some of the cell phones in my contacts?

Same number,service provider and plan just a better phone.

My cell phone is a plain old nokia 3100, nothing fancy, and I want to transfer all the contacts to my computer so I can edit them without thumbing through each on my cell phone. So I devised a plan: transfer my cell's SIM card to my blackberry, and then...