ZIP Code 60666 is located in Chicago Illinois. Portions of 60666 are also in Franklin Park and Rosemont and Schiller Park and Leyden Township and Maine Township (Cook County). 60666 is entirely within Cook County. Regionally, it is located in Metro Chicago.
| ZIP Code Name | Chicago |
| Primary County | Cook County |
| ZIP Code Type | PO Box |
| Area Code(s) | 773 / 872 |
| Current Time | CDT |
| Coordinates | 41.97996521,-87.90236664 |
| Adjacent ZIP Codes | |
| Cities/Towns in 60666 | |
| Region | Metro Chicago |
| Metropolitan/Micropolitan Stat Area | Chicago-Naperville-Elgin, IL-IN-WI |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 7 Square Miles |
| US Congressional Districts in 60666 | |
| Illinois State Senate Districts in 60666 | |
| Illinois State House of Representatives Districts in 60666 |
| Plant Hardiness Zone | Zone 5b: -15F to -10F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 54f - Valparaiso-Wheaton Morainal Complex | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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