61231 Zip code is used for Old Gilchrist City in Mercer County, Illinois in Usa. The ZIP Codes / Postal Codes are Used by USPS (United States Postal Service known as “Post Office”, “ Usa Mail”, or” Postal Service”, an independent agency of the United States federal government responsible for providing postal service in the United States). Below is the detail for 61231, Old Gilchrist City.
| Zip Code | : | 61231 |
| City Name | : | Old Gilchrist |
| County Name | : | Mercer County |
| State Name | : | Illinois |
| Country Name | : | USA |
| Area Code | : | 309 |
| Time Zone | : | CST |
| Country Code | : | +1 |
| Currency | : | $ USA Dollor |
| ISO Code | : | USA |