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Phone Number: 800-336-8939
Address: Sonoran Desert Institute, 1555 W. University Dr., Ste. 103, Tempe, AZ 85281
Fax Number: 480-314-2138
Monday – Friday 8:00 a.m. – 5:00 p.m. (MST)
Note that Arizona does not switch to daylight savings time. Therefore, the office hours remain Mountain Standard Time year-round.