Allstate Insurance Company is available at continuous assistance of its esteemed customers. In order to convey grievances and other concerns, kindly refer to given customer service number details to avail hassle free assistance in an expedited manner. Allstate Customer Service  Phone Number: 1-877-810-2920 Allstate Hearing Impaired Phone Number: 1-800-877-8973 General Mailing Address: Allstate Insurance Company P.O. Box 660598 Dallas, TX 75266-0598 For Auto Insurance Claims: Allstate Insurance Company P.O. Box 660636 Dallas, TX 75266 For Overnight Payments: Allstate Payments 2012 Corporate Lane Suite 108 PO Box 4310 Naperville, Illinois 60563 Allstate Insurance Company Payment and Billing Customer Service Number Automate Payment System Phone Number: 1-800-901-1732 For Life Insurance Policies: Automatic Payments:  1-800-255-7828 | One Time Payment:  1-800-255-7828 Payments Mailing Address: Allstate Payments 2012 Corporate Lane Suite 108 PO Box 4310 Naperville, Illinois