| Road Name | Postcode Area | Postcode District | Postcode Sector |
|---|---|---|---|
| Harlech Way | BS | BS30 | BS30 6 |
| Harlech Way | CH | CH65 | CH65 5 |
| Harlech Way | DE | DE13 | DE13 0 |
| Harlech Way | DN | DN32 | DN32 7 |
| Harlech Way | DY | DY1 | DY1 2 |
| Harlech Way | DY | DY10 | DY10 1 |
| Harlech Way | HG | HG2 | HG2 9 |
| Harlech Way | LS | LS25 | LS25 2 |