Here's all the stations I have ever caught in the nighttime. Location is Bothell, WA, unIDs included.
530: KNEZ390 Lynnwood, WA/WPVW628 Bothell, WA/KNEZ390 NE 45th St, Seattle, WA/KNCL518 Tukwila, WA/Sea-Tac Airport TIS
540: CBK Watrous, SK/KRXA Carmel, CA
550: KARI Blaine, WA/KOAC Corvalis, OR/unID (KUZZ Bakersfield, CA?)
560: KPQ Wenatchee, WA/KSFO San Francisco, CA/unID?
570: KVI Seattle, WA/CKEK Cranbrook, BC
580: KIDO Boise, ID/KGAY Ashland, OR/about two unIDs (KMJ Fresno and maybe KANA Anaconda, MT?)
590: KUGN Eugene, OR/KQNT Spokane, WA/unID (KTHO South Lake Tahoe, CA or KID Idaho Falls, ID?)
600: CJWW Saskatoon, SK/KOGO San Diego, CA
610: KONA Pasco, WA/KRTA Medford, OR/CKYL Peace River, AB
620: KPOJ Portland, OR (only one I've gotten. Weird.)
630: KCIS Edmonds, WA/unID (s) (KWRO Coos Bay, OR or KFXD Boise, ID?)
640: KFI Los Angeles, CA
650: CISL Vancouver, BC/KSTE Rancho Cordova, CA/KMTI Manti, UT
660: CFFR Calgary, AB/KAPS Mount Vernon, WA/KXOR Junction City, OR/KTNN Window Rock, AZ (logged once)
670: KBOI Boise, ID/unID (s) (KIRN Los Angeles, CA or CO?)
680: KNBR San Francisco, CA/sometimes KBRD Olympia, WA when they do the sign-off message
690: CBU Vancouver, BC/XEWW Tijuana, BCN, Mexico
700: KXLX Airway Heights, WA/KGRV Winston, OR/KALL Salt Lake City, UT
710: KIRO Seattle, WA
720: KDWN Las Vegas, NV
730: CHMJ Vancouver, BC/KULE Ephrata, WA/unID (KEZX Medford, OR?)
740: CBX Edmonton, AB/KCBS San Francisco, CA
750: KXL Portland, OR/have heard KERR Polson, MT if they don't power down
760: KFMB San Diego, CA
770: KTTH Seattle, WA/CHQR Calgary, AB/unID (KKOB Albuquerque, NM?)
780: KKOH Reno, NV/WBBM Chicago, IL
790: KGMI Bellingham, WA/KJRB Spokane, WA/unIDs (KWSW Eureka, CA/KGHL Billings, MT)
800: CKOR Pentiction, BC/KPDQ Vancouver, WA/unID (KBFP Bakersfield, CA)
810: KGO San Francisco, CA
820: KGNW Seattle, WA/unID (WBAP Dallas, TX or KORC Waldport, OR? Unfortunaly, only 1 watt)
830: KNCO Grass Valley, CA/CKKY Wainwright, AB (never heard WCCO)
840: KMAX Colfax, WA/KKNX Eugene, OR/KSWB Seaside, OR
850: KHHO Tacoma, WA/KOA Denver, CO
860: KPAM Troutdale, OR/KTRB San Francisco, CA?
870: KFLD Pasco, WA/KRLA Glendale, CA?
880: KIXI Bellevue, WA/KWIP Portland, OR/CHQT Edmonton, AB?
890: CJDC Dawson Creek, BC/KDXU St. George, UT
-crainbebo
530: KNEZ390 Lynnwood, WA/WPVW628 Bothell, WA/KNEZ390 NE 45th St, Seattle, WA/KNCL518 Tukwila, WA/Sea-Tac Airport TIS
540: CBK Watrous, SK/KRXA Carmel, CA
550: KARI Blaine, WA/KOAC Corvalis, OR/unID (KUZZ Bakersfield, CA?)
560: KPQ Wenatchee, WA/KSFO San Francisco, CA/unID?
570: KVI Seattle, WA/CKEK Cranbrook, BC
580: KIDO Boise, ID/KGAY Ashland, OR/about two unIDs (KMJ Fresno and maybe KANA Anaconda, MT?)
590: KUGN Eugene, OR/KQNT Spokane, WA/unID (KTHO South Lake Tahoe, CA or KID Idaho Falls, ID?)
600: CJWW Saskatoon, SK/KOGO San Diego, CA
610: KONA Pasco, WA/KRTA Medford, OR/CKYL Peace River, AB
620: KPOJ Portland, OR (only one I've gotten. Weird.)
630: KCIS Edmonds, WA/unID (s) (KWRO Coos Bay, OR or KFXD Boise, ID?)
640: KFI Los Angeles, CA
650: CISL Vancouver, BC/KSTE Rancho Cordova, CA/KMTI Manti, UT
660: CFFR Calgary, AB/KAPS Mount Vernon, WA/KXOR Junction City, OR/KTNN Window Rock, AZ (logged once)
670: KBOI Boise, ID/unID (s) (KIRN Los Angeles, CA or CO?)
680: KNBR San Francisco, CA/sometimes KBRD Olympia, WA when they do the sign-off message
690: CBU Vancouver, BC/XEWW Tijuana, BCN, Mexico
700: KXLX Airway Heights, WA/KGRV Winston, OR/KALL Salt Lake City, UT
710: KIRO Seattle, WA
720: KDWN Las Vegas, NV
730: CHMJ Vancouver, BC/KULE Ephrata, WA/unID (KEZX Medford, OR?)
740: CBX Edmonton, AB/KCBS San Francisco, CA
750: KXL Portland, OR/have heard KERR Polson, MT if they don't power down
760: KFMB San Diego, CA
770: KTTH Seattle, WA/CHQR Calgary, AB/unID (KKOB Albuquerque, NM?)
780: KKOH Reno, NV/WBBM Chicago, IL
790: KGMI Bellingham, WA/KJRB Spokane, WA/unIDs (KWSW Eureka, CA/KGHL Billings, MT)
800: CKOR Pentiction, BC/KPDQ Vancouver, WA/unID (KBFP Bakersfield, CA)
810: KGO San Francisco, CA
820: KGNW Seattle, WA/unID (WBAP Dallas, TX or KORC Waldport, OR? Unfortunaly, only 1 watt)
830: KNCO Grass Valley, CA/CKKY Wainwright, AB (never heard WCCO)
840: KMAX Colfax, WA/KKNX Eugene, OR/KSWB Seaside, OR
850: KHHO Tacoma, WA/KOA Denver, CO
860: KPAM Troutdale, OR/KTRB San Francisco, CA?
870: KFLD Pasco, WA/KRLA Glendale, CA?
880: KIXI Bellevue, WA/KWIP Portland, OR/CHQT Edmonton, AB?
890: CJDC Dawson Creek, BC/KDXU St. George, UT
-crainbebo