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Manx Technology GroupSmart Island
Data

Geography & Postcodes

19,026 geographic records - addresses, postcodes, named places, Manx-language names, natural features, and highways across the Isle of Man.

Data generated: 10 May 2026

4,106
Total Addresses
Mapped locations
5,413
Postcodes
IM postcode areas
1,393
Named Places
Towns & settlements
1,786
Manx Names
Gaelic place names

AI Geography Analysis

Narrative generated by Azure OpenAI - click to expand

The Isle of Man: Geography and Cultural Revival

Nestled in the Irish Sea between Great Britain and Ireland, the Isle of Man is a Crown Dependency with a population of approximately 85,000 and a land area of 572 square kilometres. Despite its modest size, the island’s geography, address system, and place naming patterns reveal a rich tapestry of history, culture, and natural beauty.

Address and Postcode System

The Isle of Man operates its own postcode system, prefixed with IM. There are 4,188 unique postcodes distributed across the island, serving 4,106 recorded addresses. The IM postcodes are allocated geographically, with the largest concentrations in the southern and central regions. For example, IM9 covers the southern area and contains 1,221 addresses, making it the most populous postcode. Other significant prefixes include IM2 (809 addresses), IM1 (783), and IM3 (357). The smaller postcodes, such as IM81, IM88, and IM99, represent specialised or less populated areas, with only one or two addresses each.

The postcode system is integral to the island’s infrastructure, facilitating efficient postal delivery and underpinning location-based services. It also reflects the settlement patterns, with denser clusters in towns like Douglas (IM1, IM2), and sparser coverage in rural and coastal regions.

Place Naming Patterns: English and Manx Gaelic

The Isle of Man’s place names are a living record of its cultural history. Of the 1,393 named places, the most common types are farms (791), localities (468), hamlets (56), and villages (33). Place names are often dual, with English and Manx Gaelic versions appearing side by side. This duality is a sign of the island’s cultural revival. The Manx language, a branch of Gaelic, was once nearly extinct but has undergone a remarkable resurgence. Today, 1,786 places bear Manx names, a testament to the island’s commitment to preserving its linguistic heritage.

The revival of Manx is not limited to signage. Schools, public spaces, and official documents increasingly use Manx alongside English, reinforcing the language’s presence in daily life. The prevalence of Manx names-almost 1,800 out of fewer than 1,400 named places-suggests that many locations have dual names, or that Manx is used for natural features and highways as well. The naming pattern reflects both the island’s Celtic roots and its modern identity.

Natural Features: Rivers, Hills, and Glens

The Isle of Man’s landscape is dramatic and varied, with 272 named natural features. Rivers such as the Sulby, Neb, and Glass weave through valleys and glens, providing fertile ground for agriculture and picturesque scenery. The island is renowned for its glens-wooded valleys that are both ecologically significant and culturally cherished. Many glens, such as Glen Helen and Ballaglass Glen, are named in both English and Manx, reflecting the dual heritage.

Hills dominate the interior, with Snaefell rising to 621 metres as the island’s highest point. The terrain ranges from rugged uplands to rolling pastures, supporting a mosaic of habitats. Coastal cliffs, sandy beaches, and small islets add to the diversity, making the Isle of Man a haven for walkers, nature enthusiasts, and those seeking solitude in wild landscapes.

Road Network Coverage

Despite its rural character, the Isle of Man boasts a comprehensive road network, with 6,056 named highways crisscrossing the island. Roads connect even the most remote farms and hamlets, ensuring accessibility and supporting the famous TT motorcycle races. The network includes major routes like the A2 and A18, as well as minor lanes and tracks, many of which retain their traditional Manx names. The road system is a lifeline for communities, linking settlements and facilitating economic activity.

Conclusion

The Isle of Man’s geography is more than a physical landscape-it is a cultural and linguistic mosaic. The address and postcode system, place naming patterns, natural features, and road network together tell a story of revival and resilience. The widespread use of Manx names, the preservation of natural glens and hills, and the integration of modern infrastructure all speak to an island that honours its past while embracing the future.

Charts

Addresses by Postcode Area

Named Places by Type

📊Key Insights
-19,026 geographic records across the Isle of Man
-4,106 mapped addresses with postcode data
-1,393 named places from villages to towns
-1,786 Manx Gaelic place names preserving cultural heritage
-272 natural features and 6,056 named highways
-All IoM postcodes begin with IM prefix (IM1 through IM9, IM99)
🌍Sample Records
#Name / AddressTypePostcode
139 Stepssteps-
239 Stepssteps-
3Aalin Courtservice-
4Abbey Lanetrack-
5Abbey Roadunclassified-
6Abbey Roadunclassified-
7Abbey Roadunclassified-
8Abbey Road Laneservice-
9Abbots Closeresidential-
10Abbots Closeresidential-
11Abbots Driveresidential-
12Abbots Driveresidential-
13Abbots Driveresidential-
14Abbots Wayunclassified-
15Abbots Wayunclassified-
16Abbots Wayunclassified-
17Abbots Wayresidential-
18Abbots Wayfootway-
19Abbots Wayfootway-
20Abbots Wayfootway-
ℹ️About this data

Source: Data from dankarran/isleofman-opendata derived from OpenStreetMap contributors.

Geography data includes structured addresses, postcode boundaries, named settlements (towns, villages, hamlets), Manx Gaelic place names preserving the island's linguistic heritage, natural features (hills, rivers, bays), and named highways and roads.

Caveats: Address and postcode data from OpenStreetMap may not be exhaustive. The official Royal Mail Postcode Address File (PAF) contains the definitive address list. Manx name data reflects community-contributed translations and may vary from official sources.