National Bank Of Petersburg Address: 522 S 6th St, Petersburg, IL 62675 Phone: (217) 632-2953 Banks Other Businesses: National Bank Of Petersburg at 321 N 6th St, Petersburg, IL 62675 Athens State Bank at 420 E Sangamon Ave, Petersburg, IL 62675 Illini Bank at 420 E Sangamon Ave, Petersburg, IL 62675 Athens State Bank at 14202 State Highway 97, Petersburg, IL 62675