Forever 21 Customer Service Phone Numbers Customer Service: (888) 494-3837 US & Canadian Shoppers (Toll-Free): 1-888-494-3837 International Shoppers: 1-213-741-8257 Forever 21 Headquarters Info, Email, Phone number, Website and live chat Information The Forever 21 is an American fast fashion retailer headquartered in Los Angeles, California. Forever 21 began as the store called Fashion 21 with 900