All postcodes in UB3 1
| Postcode | Place | Type |
|---|---|---|
| UB3 1RW | Hayes | street |
| UB3 1RX | Hayes | street |
| UB3 1RY | Hayes | street |
| UB3 1RZ | Hayes | street |
| UB3 1SA | Hayes | street |
| UB3 1SB | Hayes | street |
| UB3 1SD | Hayes | street |
| UB3 1SE | Hayes | street |
| UB3 1SF | Hayes | street |
| UB3 1SG | Hayes | street |
| UB3 1SH | Hayes | street |
| UB3 1SL | Hayes | street |
| UB3 1SQ | Hayes | street |
| UB3 1SR | Hayes | street |
| UB3 1SS | Hayes | street |
| UB3 1ST | Hayes | street |
| UB3 1SU | Hayes | street |
| UB3 1SW | Hayes | street |
| UB3 1TA | Hayes | street |
| UB3 1TB | Hayes | street |
| UB3 1TD | Hayes | street |
| UB3 1TE | Hayes | street |
| UB3 1TF | Hayes | street |
| UB3 1TG | Hayes | street |
| UB3 1TH | Hayes | street |
| UB3 1TJ | Hayes | street |
| UB3 1TL | Hayes | street |
| UB3 1TN | Hayes | street |
| UB3 1TP | Hayes | street |
| UB3 1TQ | Hayes | street |
| UB3 1TR | Hayes | street |
| UB3 1TS | Hayes | street |
| UB3 1TW | Hayes | street |
| UB3 1ZQ | Hayes | large user |