Home › Top 4 Locksmith in O'Fallon, Illinois Find best Locksmith in O'Fallon, Illinois, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Minute Key - O'Fallon (IL 62269) US, O'Fallon, IL 622691530 US-50 A. Burgess Locksmith US, O'Fallon, IL 62269604 W Hwy 50 Yale KeyExpress - O'Fallon (IL 62269) US, O'Fallon, IL 622691706 W Hwy 50 KeyMe Locksmiths - O'Fallon (IL 62269) US, O'Fallon, IL 622691179 Central Park Dr