| Road Name | Postcode Area | Postcode District | Postcode Sector |
|---|---|---|---|
| Portal Close | HA | HA4 | HA4 6 |
| Portal Close | IP | IP24 | IP24 2 |
| Portal Close | IP | IP26 | IP26 4 |
| Portal Close | PO | PO18 | PO18 8 |
| Portal Close | SE | SE27 | SE27 0 |
| Portal Close | SN | SN15 | SN15 1 |
| Portal Close | SP | SP11 | SP11 8 |
| Portal Close | UB | UB10 | UB10 0 |