Alaska Airlines doesn't have a separate corporate office in Phoenix, but they operate flights and have ticketing/customer service at Phoenix Sky Harbor International Airport (PHX), primarily in Terminal 3, where you'll find their ticket counters and gates for assisting passengers with flights, baggage, and general airport needs.
For Airport Services (PHX):
Location: Phoenix Sky Harbor Airport (PHX), Terminal 3.
Services: Check-in, baggage, flight assistance, and ticket sales for flights in/out of Phoenix.
For Corporate/General Inquiries:
Headquarters: Seattle, Washington.
Online: Visit the Alaska Airlines website for contact numbers, support, and online services.