List of highways numbered 639
# List of highways numbered 639

The following highways are numbered 639:

## Canada

* Hwy 639

## Ireland

* R639 road (Ireland)

## United States

* LA 639
* MD 639
* PR-639
* FM 639
* SR 639

| Preceded by 638 | Lists of highways 639 | Succeeded by 640 |
| - | - | - |
