Below is a list of Jefferson County IA zip codes. For your research we have also included Jefferson County Area Code, Time Zone, UTC and the local County FIPS Code. Each Jefferson County Iowa zip code has a center Longitude / Latitude point (the Jefferson County center is -91.992401123047 / 41.013999938965). For your convenience we have also indicated if that zip code in Jefferson County observes Daylight Savings time.
Zip | Area | Lat | Lon | Zone | UTC | DST | State FIPS Code | County FIPS Code | MSA Code | City | County | State |
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