| Country | Guatemala (GT) |
| UN/LOCODE | SAM |
| Name | San Marcos |
| Name Without Diacritics | San Marcos |
| Region | 12 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 501 |
| Timezone | America/Guatemala |
| Location (UN Format) | 1458N 09148W |
| Latitude Longitude | 14.9639, -91.7944 |