Cornwall
112 postcode sectors mapped mainly to Cornwall. Choose a district or browse the guides below. These are postcode sectors, not named neighbourhood boundaries.
Postcode districts
Area guides
112 sectors
- PL33 9Near Treligga
- PL34 0Near Treknow
- PL35 0Near Forrabury and Minster
- TR1 1Near Trelander
- TR1 2Near Truro
- TR1 3Near Truro
- TR1 9Near Newham
- TR10 8Near Penryn
- TR10 9Near Cornwall
- TR11 2Near Falmouth
- TR11 3Near Falmouth
- TR11 4Near Falmouth
- TR11 5Near Maenporth
- TR11 9Near Budock Water
- TR12 6Near St Keverne
- TR12 7Near Mullion
- TR13 0Near Sithney
- TR13 3Near Helston
- TR13 8Near Helston
- TR13 9Near Breage
- TR14 0Near Camborne
- TR14 4Near Camborne
- TR14 7Near Camborne
- TR14 8Near Brea
- TR14 9Near Camborne
- TR15 1Near Redruth
- TR15 2Near Redruth
- TR15 3Near Carn Brea
- TR15 9Near Redruth
- TR16 4Near Redruth
- TR16 5Near Redruth
- TR16 6Near Stithians
- TR17 0Near Marazion
- TR18 2Near Penzance
- TR18 3Near Penzance
- TR18 4Near Penzance
- TR18 5Near Penzance
- TR18 9Near Penzance
- TR19 6Near St. Buryan
- TR19 7Near Bosavern
- TR2 4Near Probus
- TR2 5Near Gerrans
- TR20 8Near Madron
- TR20 9Near Perranuthnoe
- TR26 1Near St. Ives
- TR26 2Near St. Ives
- TR26 3Near Towednack
- TR26 9Near St. Ives
Authority grouping uses mapped sector boundaries from the Office for National Statistics, December 2025. It measures boundary area, not the number of addresses or residents. Guide names describe a place near the approximate sector centre.