Metro by T-Mobile's corporate location is 12920 SE 38th Street, Bellevue, Washington 98006, United States. You can send your correspondence to PO Box 37380, Albuquerque, NM 87176-7380 for mailing purchases. Alternatively, payments should be directed to Metro by T-Mobile, PO Box 5119, Carol Stream, IL 60197-5119, US.