| Country | Guatemala (GT) |
| UN/LOCODE | SMS |
| Name | San Marcos |
| Name Without Diacritics | San Marcos |
| Region | 18 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RQ (Request Under Consideration) |
| Date | 901 |
| Timezone | America/Guatemala |
| Location (UN Format) | 1534N 08855W |
| Latitude Longitude | 14.9639, -91.7944 |