TR postcode area
The TR area holds 27 districts and 12,559 live postcodes; its largest place is Redruth.
| District | Live postcodes | Largest place with its centre there |
|---|---|---|
| TR1 | 924 | Truro |
| TR2 | 535 | Probus |
| TR3 | 489 | Stithians |
| TR4 | 524 | Mount Hawke |
| TR5 | 183 | Saint Agnes |
| TR6 | 154 | Perranporth |
| TR7 | 682 | Newquay |
| TR8 | 601 | Crantock |
| TR9 | 286 | Saint Columb Major |
| TR10 | 384 | Penryn |
| TR11 | 1,038 | Falmouth |
| TR12 | 435 | Mullion |
| TR13 | 783 | Helston |
| TR14 | 857 | Camborne |
| TR15 | 725 | Redruth |
| TR16 | 668 | Four Lanes |
| TR17 | 93 | Marazion |
| TR18 | 862 | Penzance |
| TR19 | 517 | St Just |
| TR20 | 517 | Madron |
| TR21 | 73 | Isles of Scilly |
| TR22 | 1 | St Agnes |
| TR23 | 1 | Bryher |
| TR24 | 17 | Tresco |
| TR25 | 3 | St Martin's |
| TR26 | 651 | St Ives |
| TR27 | 556 | Hayle |
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.