Fairfield, IA ZIP Codes

Total ZIPs

13,332

Total Population

ZIP Codes in Fairfield, IA

ZIP Code	Population	Density	Timezone
52556	13,247	29	America/Chicago
52557	85	732	America/Chicago

All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.