Contact us Human Resources Expand Please check back later for updated HR contact information. We apologize for the inconvenience and thank you for your patience! General Questions Expand Office hours are 8AM - 5PM Monday through Friday, closed on Holidays Phone: 509.547.2476 Email: customerservice@basindisposal.com Pasco Office: 2021 N Commercial Ave Pasco, WA 99301 Walla Walla Office: 1220 W Pine St Walla Walla, WA 99362 Voicemails and Emails received after hours do not guarantee next day service.