Is there a customer service phone number? AT&T Customer Service Phone Number 1-800-288-2747. AT&T is a communications giant that is the largest provider of mobile phone service and home phone service.What is enterprise customer service number? Enterprise Customer Service Phone Number (fastest): 1-800-264-6350. Hours: 24 hours, 7 days; best time to call: 8:30am.Is there a customer service telephone number for? General Customer Service: 1-877-383-4802. For faster customer service, please use the links above to contact the appropriate customer service center for your specific needs.
(520) 621-7594 220 W. 6 th Street – Tucson AZ 85701. Phone: (520) 621-7594. Hours of Operation: Vary depending on season.