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SMB Customer Service Center

(800) 943-8488

Service Center Hours
Mon – Fri: 7:30 AM - 6:00 PM
Saturday: 8:00 AM - 12:00 PM

To Report a Card Lost or Stolen

Debit Card
Mon – Fri, 8 - 5 (800) 943-8488
After hours (866) 546-8273
 
Credit Card (800) 325-3678

Credit Card Balance Inquiry 

(800) 423-7503


SMB 24/7 Telephone Banking

(417) 358-5580
(800) 300-5580


Mailing Address

Southwest Missouri Bank
PO Box 814
Carthage, MO 64836


ABA/Routing Number

101203641