| Official Zip Code Name | Onancock |
| Zip Code State | Virginia |
| Primary County: | Accomack |
| Area Code | 757 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 4 ft. |
| Area | 47.321 Sqm. |
| Coordinates(Y,X) | 37.734116, -75.777336 |