King County
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King County is broken up into 4 mutual aid zones.  Zones 1 and 5 each have their own dispatching organizations.  Zone 4 was recently merged with Zone 3.  I will update these lists in the near future to reflect those changes.  For now, they will remain separate.

King County Zone 1

Covers the area north and east of Seattle, north of I-90.

King County Zone 3 East

Covers the area south of Bellevue and east of I-5.

King County Zone 3 West

Covers the area south of Seattle and west of I-5.

King County Zone 5

This is the City of Seattle

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