Cornwall Postcode Areas, Districts and Map Guide

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 Cornwall Postcode Areas, Districts and Map Guide

Cornwall is mainly covered by the TR postcode area (Truro), with a small overlap into nearby postcode regions. The TR area is the primary postal system for the whole county and the Isles of Scilly.

 Main Postcode Area: TR (Truro)

The TR postcode area covers almost all of Cornwall and includes 27 postcode districts (TR1–TR27).

It includes major towns such as:

  • Truro
  • Falmouth
  • Newquay
  • Penzance
  • Camborne
  • Redruth
  • St Ives
  • Helston
  • Hayle
  • St Agnes
  • Isles of Scilly

 Full List of TR Postcode Districts (Cornwall)

 Truro Area

  • TR1 – Truro (city centre)
  • TR2 – Tregony, Gerrans, St Mawes, Probus (rural east)
  • TR3 – Feock, Perranwell, Stithians (south/east rural)
  • TR4 – Goonhavern, Blackwater, Trispen (north rural)
  • TR5 – St Agnes, Mithian

 North Coast / Newquay Area

  • TR6 – Perranporth
  • TR7 – Newquay (town centre)
  • TR8 – Quintrell Downs, Mitchell, Carland Cross
  • TR9 – St Columb Major

 Mid Cornwall (Penryn, Falmouth, Camborne, Redruth)

  • TR10 – Penryn
  • TR11 – Falmouth, Mylor, Flushing
  • TR12 – Lizard Peninsula (Mullion, St Keverne area)
  • TR13 – Helston area
  • TR14 – Camborne
  • TR15 – Redruth
  • TR16 – Redruth outskirts, Portreath, St Day

 West Cornwall

  • TR17 – Marazion (near St Michael’s Mount)
  • TR18 – Penzance town
  • TR19 – West Penwith (St Buryan, Pendeen, Land’s End area)
  • TR20 – Ludgvan, Praa Sands, Penzance outskirts

 Isles of Scilly

  • TR21 – St Mary’s
  • TR22 – St Agnes
  • TR23 – Bryher
  • TR24 – Tresco
  • TR25 – St Martin’s

 North West Cornwall

  • TR26 – St Ives, Zennor
  • TR27 – Hayle

 How the Cornwall Postcode Map Works

 Structure

  • TR1–TR4 → Truro & surrounding rural areas
  • TR5–TR9 → North coast (St Agnes → Newquay → St Columb)
  • TR10–TR16 → Central industrial towns (Penryn, Falmouth, Camborne, Redruth, Helston)
  • TR17–TR20 → West Cornwall (Marazion → Penzance → Penwith)
  • TR21–TR25 → Isles of Scilly
  • TR26–TR27 → North-west coast (St Ives, Hayle)

 Other Postcode Areas touching Cornwall

Although Cornwall is mostly TR, small sections touch other postcode areas:

  • PL (Plymouth area) – eastern edge near Saltash border influence
  • EX (Exeter area) – very minimal overlap in northeast boundary fringe (rare usage)

 Key Facts About Cornwall Postcodes

  • Entire Cornwall is mainly one postcode area: TR
  • Contains 27 postcode districts
  • Covers both mainland Cornwall + Isles of Scilly
  • Coastal geography strongly shapes postcode boundaries
  • One of the most rural and tourism-heavy postcode areas in the UK

 

Here is a case-study style + community commentary guide to the Cornwall (TR) postcode areas, based on how different districts actually behave in real life (housing, lifestyle, identity, and local opinions).

 Cornwall Postcode Areas (TR) — Case Studies & Real-World Views

The Cornwall postcode system (TR1–TR27) is often described as “one postcode area, many lifestyles.” While it looks unified on a map, locals often experience it as very different micro-regions.

 CASE STUDY 1: TR1–TR4 (Truro & Rural Heartland)

 Areas

Truro city, Feock, Perranwell, Goonhavern, rural farmland belt

 What it feels like

  • Administrative & service centre of Cornwall
  • Busy during working hours, quiet at night
  • Strong commuting population

 Community comments (common themes)

  • “Convenient for everything, but not exciting”
  • “Feels like the ‘business brain’ of Cornwall”
  • “Good for schools, shopping, hospitals access”

 Real-life pattern

Many residents use Truro as a base location, not a lifestyle destination. People often live here for practicality, then travel to coastal towns for leisure.

 CASE STUDY 2: TR5–TR9 (North Coast: St Agnes → Newquay → St Columb)

 Areas

St Agnes, Perranporth, Newquay, St Columb Major

 What it feels like

  • Tourism-heavy coastline
  • Surf culture + seasonal economy
  • Big contrast between summer & winter

 Community comments

  • “Amazing in summer, quiet in winter”
  • “Newquay has energy but can feel chaotic in peak season”
  • “St Agnes feels calmer and more local”

 Real-life pattern

  • Newquay (TR7) = youth + tourism + nightlife + surf identity
  • St Agnes (TR5) = quieter, more community-driven
  • Perranporth (TR6) = relaxed beach lifestyle but seasonal pressure

This zone is one of Cornwall’s biggest “seasonal identity shifts.”

 CASE STUDY 3: TR10–TR16 (Industrial & Working Town Belt)

 Areas

Penryn, Falmouth, Helston, Camborne, Redruth

 What it feels like

  • Strong working-class and student mix
  • Industrial heritage (mining history)
  • Mix of regeneration + old housing estates

 Community comments

  • “Falmouth feels young and creative”
  • “Camborne/Redruth are practical but overlooked”
  • “Helston is quieter but stable”

 Real-life pattern

  • Falmouth (TR11) → student + arts + harbour life
  • Penryn (TR10) → university spillover zone
  • Camborne/Redruth (TR14–TR16) → affordable housing + commuting base
  • Helston (TR12–TR13) → slower pace, gateway to Lizard Peninsula

This is the “everyday Cornwall” zone where most locals actually live year-round.

 CASE STUDY 4: TR17–TR20 (West Cornwall Lifestyle Belt)

 Areas

Marazion, Penzance, St Buryan, surrounding Penwith

 What it feels like

  • Strong coastal identity
  • Artistic + alternative communities
  • Older population mix in some towns

 Community comments

  • “Penzance is underrated but rough in parts”
  • “St Ives nearby is beautiful but expensive”
  • “Feels remote compared to rest of UK”

 Real-life pattern

  • Penzance (TR18) → transport hub + mixed reputation
  • Marazion (TR17) → scenic, tourist-driven economy
  • Penwith (TR19–TR20) → rural, dramatic coastline, slower pace

West Cornwall is often described as “the edge of England feel.”

 CASE STUDY 5: TR21–TR25 (Isles of Scilly)

 Areas

St Mary’s, Tresco, St Martin’s, Bryher, St Agnes (Scilly)

 What it feels like

  • Extremely isolated
  • High cost of living
  • Tight-knit communities

 Community comments

  • “Like another world compared to mainland Cornwall”
  • “Peaceful but expensive”
  • “Everyone knows everyone”

 Real-life pattern

  • Tourism + farming + marine economy
  • Strong dependency on seasonal access and supplies

 CASE STUDY 6: TR26–TR27 (North-West Coastal Fringe)

 Areas

St Ives, Hayle

 What it feels like

  • High tourism pressure
  • Strong visual postcard identity
  • Housing pressure due to second homes

 Community comments

  • “Beautiful but overcrowded in summer”
  • “St Ives is stunning but not easy to live in”
  • “Hayle is more practical and residential”

 Real-life pattern

  • St Ives (TR26) → art scene + tourism hotspot
  • Hayle (TR27) → more affordable nearby alternative

 BIG PICTURE INSIGHT (What locals often agree on)

Across Cornwall, postcode identity is shaped more by lifestyle than geography:

 1. “East vs West feel”

  • East (Truro/Camborne/Redruth): practical, working, connected
  • West (Penzance/St Ives): scenic, slower, more isolated

 2. “Seasonal reality”

  • Coastal TR7, TR26, TR18 areas change dramatically in summer
  • Inland TR14–TR16 stay more stable year-round

 3. “Tourism pressure divide”

  • Some areas feel over-touristed
  • Others feel under-invested

 4. “Housing tension”

A recurring theme in community discussion:

  • Beautiful areas often = expensive or second-home heavy
  • Affordable areas often = less scenic or more industrial

 Final takeaway

Cornwall’s TR postcode system is less a postal map and more a patchwork of lifestyles:

  • TR1–TR4 → administrative centre
  • TR5–TR9 → surf + tourism coast
  • TR10–TR16 → working towns + students
  • TR17–TR20 → scenic west Cornwall
  • TR21–TR25 → isolated islands
  • TR26–TR27 → postcard coast with housing pressure

 

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