| Official Zip Code Name | Old Westbury |
| Zip Code State | New York |
| Primary County: | Nassau |
| Area Code | 516/631/718 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 230 ft. |
| Area | 8.667 Sqm. |
| Coordinates(Y,X) | 40.787054, -73.590871 |