O Fallon Illinois Latest
O Fallon Illinois has a zip code of 62269. The current date and time in O Fallon is May 2, 2024, 1:49 am and it has a population of 26,249 people. O Fallon Illinois lies at an elevation of 529 feet.
O Fallon Illinois has a zip code of 62269. The current date and time in O Fallon is May 2, 2024, 1:49 am and it has a population of 26,249 people. O Fallon Illinois lies at an elevation of 529 feet.