| Country | United States (US) |
| UN/LOCODE | ZRU |
| Name | Marmaduke |
| Name Without Diacritics | Marmaduke |
| Region | AR |
| Function Code | -23--6-- |
| Function | Rail, Road, Multi-use Location |
| Status Code | RL (Recognised Location) |
| Date | 401 |
| Location (UN Format) | 3611N 09022W |
| Country | United States (US) |
| UN/LOCODE | ZRU |
| Name | Marmaduke |
| Name Without Diacritics | Marmaduke |
| Region | AR |
| Function Code | -23--6-- |
| Function | Rail, Road, Multi-use Location |
| Status Code | RL (Recognised Location) |
| Date | 401 |
| Location (UN Format) | 3611N 09022W |