RH postcode area
The RH area holds 21 districts and 16,366 live postcodes; its largest place is Crawley.
| District | Live postcodes | Largest place with its centre there |
|---|---|---|
| RH1 | 1,245 | Redhill |
| RH2 | 842 | Reigate |
| RH3 | 145 | Betchworth |
| RH4 | 666 | Dorking |
| RH5 | 642 | Capel |
| RH6 | 895 | Horley |
| RH7 | 236 | Lingfield |
| RH8 | 420 | Oxted |
| RH9 | 151 | Godstone |
| RH10 | 1,918 | Crawley |
| RH11 | 1,186 | Broadfield |
| RH12 | 1,389 | Horsham |
| RH13 | 1,126 | Southwater |
| RH14 | 598 | Billingshurst |
| RH15 | 908 | Burgess Hill |
| RH16 | 1,118 | Haywards Heath |
| RH17 | 719 | Cuckfield |
| RH18 | 141 | Forest Row |
| RH19 | 1,112 | East Grinstead |
| RH20 | 893 | Storrington |
| RH77 | 16 | — |
Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0. Postcode data is the ONS Postcode Directory, August 2026 edition; counts are live postcodes with a usable location. Northern Ireland postcodes carry a separate licence and are not included; Scotland joins when the site's Scottish coverage does.