Monmouth IL Zip Code Lookup and List



Below is a list of Monmouth IL zip codes. For your research we have also included Monmouth Area Code, Time Zone, UTC and the local Warren County FIPS Code. Each Monmouth Illinois zip code has a center Longitude / Latitude point (the Monmouth center is -90.642097473145 / 40.91189956665). For your convenience we have also indicated if that zip code in Monmouth observes Daylight Savings time.

Zip Area Lat Lon Zone UTC DST State FIPS Code County FIPS Code MSA Code City County State
61462 309 40.855 -90.613056 Central -6 Y 17 17187 0000 Monmouth Warren IL
61462 309 40.855 -90.613056 Central -6 Y 17 17187 0000 Monmouth Warren IL
61462 309 40.855 -90.613056 Central -6 Y 17 17187 0000 Monmouth Warren IL
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