| Official Zip Code Name | San Sebastian |
| Zip Code State | Puerto Rico |
| Primary County: | San Sebastian |
| Area Code | 787/939 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 4 |
| Elevation Range | 448 ft. |
| Area | 78.691 Sqm. |
| Coordinates(Y,X) | 18.316188, -66.974973 |