Context: I do n't recognize the number but it 's a suburban area code so I answer with my usual " This is Snoopy " ( work habit ) . He 's like " Hey there ... " ( god the voice sounded great on the phone .... yum ) and for a second I wanted to play the " um ... who 's this ? " game but I did n't .

Question: Why do n't I recognize the number ?
Options:
0. Because it 's a suburban area code .
1. Because the voice sounded great on the phone .
2. Because I have n't seen it before .
3. Because I answered with my usual " This is Snoopy " .
Answer: 2