| Country | United States (US) |
| UN/LOCODE | ZWO |
| Name | Willow Springs |
| Name Without Diacritics | Willow Springs |
| Region | MO |
| Function Code | -23--6-- |
| Function | Rail, Road, Multi-use Location |
| Status Code | RL (Recognised Location) |
| Date | 401 |
| Location (UN Format) | 3659N 09158W |