How to contact Big Time Rush!

Do you want to contact Big Time Rush?? Well here is their official Twitter accounts and YouTube accounts! Also fan mail addresses!
Carlos Pena: @TheCarlosPena
Kendall Schmidt: @HeffronDrive
Logan Henderson: @1LoganHenderson
James Maslow: @JamesMaslow

Carlos Pena: CarlosPenaOfficial
Kendall Schmidt: K3ndallSchmidt
Logan Henderson: LoganHendersonMusic
James Maslow: JamesMaslow

Fan Mail Address:
Carlos Pena: 
5555 Melrose Ave.
Los Angeles, CA 90038
Attn: Carlos Pena Big Time Rush

Big Time Rush Cast:
C/O The Disney Channel
3800 Alameda Ave.
Burbank,CA 91505