想問洛杉磯的Countary Code! Pls!!

What exactly you are trying to look for?

You mean:

1. The Zip Code for Los Angeles (County or City)

or

2. The Area Code for Los Angeles (County or City)

USA Country Code = 1
Los Angeles Area Code = 323
For LA Zip Code, please refer to the below link:
http://www.zip-codes.com/county/CA-LOS-ANGELES.asp