| Información general | |
|---|---|
| Nombre | Alltwen |
| Código postal | SA8 |
| Superficie | Neath Port Talbot |
| País | Wales |
| Nombre | Lugar | Código postal |
|---|---|---|
| Alltwen Chwyth, Alltwen | Alltwen | SA8 3BW |
| Brondeg Lane, Alltwen | Alltwen | SA8 3AE |
| Bryn Golau, Alltwen | Alltwen | SA8 3AF |
| Bryn Llewelyn, Alltwen | Alltwen | SA8 3BR |
| Bryn Morgrug, Alltwen | Alltwen | SA8 3DG |
| Bryn Morgrug, Alltwen | Alltwen | SA8 3DP |
| Bryn Morgrug, Alltwen | Alltwen | SA8 3BE |
| Clos Llwynallt, Alltwen | Alltwen | SA8 3JG |
| Derwen Road, Alltwen | Alltwen | SA8 3AU |
| Derwen Road, Alltwen | Alltwen | SA8 3AY |
| Dyffryn Road, Alltwen | Alltwen | SA8 3BX |
| Dyffryn Road, Alltwen | Alltwen | SA8 3BY |
| Edward Street, Alltwen | Alltwen | SA8 3DB |
| Edward Street, Alltwen | Alltwen | SA8 3DD |
| Graig Road, Alltwen | Alltwen | SA8 3DA |
| Gwyns Drift, Alltwen | Alltwen | SA8 3AZ |
| Heol Glanllechau, Alltwen | Alltwen | SA8 3AP |
| Heol Glynderwen, Alltwen | Alltwen | SA8 3AT |
| Heol Penrhiwiau, Alltwen | Alltwen | SA8 3AW |
| Heol Phillip, Alltwen | Alltwen | SA8 3AX |