FAA Air Traffic Control Facility

Chicago ARTCC

ARTCC · Facility code ZAU

Roster verified against FAA October 14, 2026

FacilityChicago ARTCC

FAA codeZAU

Facility typeARTCC

Published areaIllinois

Reference note. This directory identifies FAA air traffic facilities; it is not a pilot communications frequency directory or a public-contact directory. Use current FAA aeronautical publications for operational information.

What ARTCCs do

Air Route Traffic Control Centers provide en route air traffic control services across large geographic areas between terminal environments.