Mailing Address: Sewell Investigations PO Box 22336 Flagstaff, AZ 86002-2336 Flagstaff Phone: 928-774-8354 Cottonwood Phone: 928-649-3456 or 1-888-739-3551 toll free FAX: 928-649-8458 E-mail: Terry@sewellinvestigations.com Hours of Operation: We are available 24 hours a day, 7 days a week by telephone, and at the office by appointment! Additional Areas Served: Verde Valley Phoenix, Az. Tucson, Az.