11 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 23310 | Cape Charles | 4,984 |
| 23350 | Exmore | 3,144 |
| 23405 | Machipongo | 1,226 |
| 23413 | Nassawadox | 971 |
| 23347 | Eastville | 640 |
| 23307 | Birdsnest | 594 |
| 23354 | Franktown | 379 |
| 23486 | Willis Wharf | 90 |
| 23316 | Cheriton | 75 |
| 23398 | Jamesville | 21 |
| 23408 | Marionville | 8 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 11 ZCTAs in Northampton County, Virginia (US Census).