| Country | United States (US) |
| UN/LOCODE | YFL |
| Name | Fairfield |
| Name Without Diacritics | Fairfield |
| Region | IL |
| Function Code | -23--6-- |
| Function | Rail, Road, Multi-use Location |
| Status Code | RL (Recognised Location) |
| Date | 401 |
| Notes | County Lake |
| Location (UN Format) | 4213N 08803W |