Contact Information

WM GI Industries

Customer Service

Email: msmith@wm.com
Phone: (800) 675-1171
Phone: (805) 522-9400
Hours of Operation:
Mon-Fri
8:00 am - 5:00 pm

Simi Valley Landfill

Phone: (805)579-7267
Hours of Operation:
Mon - Sat
7:00 am - 4:00 pm
3rd Sunday each month
10:00 am - 4:00 am


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