Horse Hockey!
Do not give to organization that cold calls you like that - they are a rip off - let alone only giving very little $$ to the cause they are collecting for. Find a local charity to give to if you have too much money. By giving local you can see your donation in action.
This number called me at 7:38pm. Didn't recognize the number from Redding, CA so didn't answer. No message was left. Guessing it's spam as I don't know anyone in Redding.