Your ICQ number

When you join ICQ you will be given a unique number (also called a


Universal Internet Number – UIN) that will stay with you forever.

This number is generated sequentially starting from 1 upwards.

At the time of writing, this number is over a staggering 100,000,000

This is the number that you swap with other people. With it

they can find you and add you to their ‘ICQ list’.