Halp! There are far too many UA phone numbers. Anybody help out with best uses for each one/other numbers I've missed:

Status-based Reservations
General member? : 800-United-1 (800-864-8331)
2P line: 800-xxx-8900
1P line: xxx-xxx-xxxx?
1K line: xxx-xxx-xxxx?

“Paid” Reservations
Domestic: 800-356-8900
International: 800-538-2929

Award Reservations
Domestic: 888-467-2768
International: 888-674-4680

Customer Service
Regular? : 1-877-228-1327
Regular? : 1-877-228-1498 (difference?)
2P line: xxx-xxx-xxxx?
1P line: xxx-xxx-xxxx?
1K line: xxx-xxx-xxxx?