The following archive questions may help

I am a greek citizen and would like to get a NIE. what is the easiest way to do this
Hi. Do you also get appointments for TIE renewal in Valencia....anywhere in the province is fine.
I am a greek citizen and would like to get a NIE. what is the easiest way to do this
Hi do you also get tie appointments in Valencia
If I overstay my TIE how can I apply for Arraigo Social ( HI 36 )