| Postal Code Place Name | San Marcos |
| Type | Urban |
| Department | Sucre |
| Municipality | San Marcos |
| Area km² | 5.30996990 |
| Current Time: | COT |
| Time Zone: | Colombia Time |
| IANA Time Zone: | America/Bogota |
| Dialing Code: | +52 |
| 704037 |
| 20 de Enero |
| Benjamín Porras |
| Buenos Aires |
| Calancala |
| Centro |
| El Prado |
| El Progreso |
| Fernán Fortich |
| Kennedy |
| La Candelaria |
| Las Maravillas |
| Los Ángeles |
| Mariano Álvarez |
| Nuevo México |
| Pablo VI |
| Primero de Junio |
| Puerto López |
| San Francisco |
| San J |