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The Seattle Air Route Traffic Control Center (or ZSE or Seattle Center or Seattle ARTCC) is the area control center responsible for controlling and ensuring proper separation of IFR aircraft in Washington state, most of Oregon, and parts of Idaho, Montana, Nevada, and California, as well as the neighboring area into the Pacific Ocean.

The control center is located at 3101 Auburn Way S, Auburn, Washington, which is 11.5 miles (18.5 km) from SeaTac International, the only Class B airport served by the center.^[1]

Airports served

Class B

SEA/KSEA Seattle-Tacoma International Airport

Class C

The following Class C airports in the Seattle ARTCC have continuously operating control towers:

Class D

The following are Class D airports in the Seattle ARTCC. Those with continuously operating control towers (as opposed to control towers closed during the night) are italicized.