I live in 10115. No, not New York. It's Berlin, Germany. I used to live in M6C1B5. By forcing "numeric" on the zip code field, you'd immediately loose all Cana

I live in 10115. No, not New York. It's Berlin, Germany. I used to live in M6C1B5. By forcing "numeric" on the zip code field, you'd immediately loose all Canadians. This article is so US centric it's not even funny.