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O'Fallon, Illinois

66 Registered ZIP Codes • St. Clair County • State: IL

County
St. Clair County
Total Population
957,000
Area Codes
(224)
ZIP Code Count
66

ZIP Codes in O'Fallon

622656226662267622686226962270622716227262273622746227562276622776227862279622806228162282622836228462285622866228762288622896229062291622926229362294622956229662297622986229962300623016230262303623046230562306623076230862309623106231162312623136231462315623166231762318623196232062321623226232362324623256232662327623286232962330
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