ZIP Code 62840 is located in Frankfort Heights Illinois. 62840 is entirely within Franklin County. Regionally, it is located in the Paducah-Cape Girardeau-Harrisburg-Mt Vernon Area.
| ZIP Code Name | Frankfort Heights |
| Primary County | Franklin County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 37.89805222,-88.90695190 |
| Adjacent ZIP Codes | |
| Region | Paducah-Cape Girardeau-Harrisburg-Mt Vernon Area |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| US Congressional Districts in 62840 | |
| Illinois State Senate Districts in 62840 | |
| Illinois State House of Representatives Districts in 62840 |