Interstate Bank SSB Stores by States Outlet Note Regular Brands Interstate Bank SSB Rating 4.7 based on 71 votes Official Website http://interstatebankssb.com Products Banking Savings Saving Bank Saving Plans Browse by State Texas Browse Major Regular Stores Interstate Bank SSB outlet - Perryton 301 S Main St (806) 435-4071 Interstate Bank SSB outlet - Spearman 322 Main St (806) 659-2559 People Also Viewed