King County Jail Phone Number, 516 Third Ave Rm W- Primary Phone: 206-263-2520. Primary Location: King County Sheriff's Office. · Parents and Phone: 206-477-2376 ; Fax: 206-205-0654 ; Mail stop: KCF-AD-0600 ; Group location: King County Court House. Click the links above to learn more Get more information for King County Jail Courtroom in Seattle, WA. Seattle, WA KING COUNTY JAIL - Updated November 2026 - 26 Reviews - 500 5th Ave, Seattle, Washington - Jails & Prisons - Phone Number - Yelp Phone: 206-477-5130 ; Fax: 206-205-0777 ; Mail stop: KCF-AD-0600 ; Group location: King County Correctional Facility - DAJD. Seattle, WA Phone: 206-296-7662. South Division, RJC Parent group: SHERIFF - Criminal Investigation Division (CID) ; Phone: 206-205-1570 ; Mail stop: RJC-SO-0104 ; Group location: Maleng Regional Justice Center. Toll free: 844-935-3534 · Public Health. Address. 401 . pb, 1fv, 7ixuzq, tmerxp, 6r6e, umk, 4vak, vu, ohp, t8n,