Eircode
E556594
Eircode is Ireland’s national postcode system, assigning unique seven-character codes to individual addresses to improve mail delivery and location services.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Eircode canonical | 3 |
| Eircode Address File | 1 |
| H71 (Eircode routing key) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5943291 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eircode Context triple: [County Longford, hasPostalCodeSystem, Eircode]
-
A.
Éirígí
Éirígí is a socialist republican political party and activist organization in Ireland that advocates for Irish reunification and left-wing social and economic policies.
-
B.
Naas
Naas is a historic market town in County Kildare, Ireland, which serves as a major commuter hub for nearby Dublin.
-
C.
Listowel
Listowel is a historic market town in County Kerry, Ireland, known for its literary heritage and annual writers’ festival.
-
D.
Chapelizod
Chapelizod is a historic riverside village and suburb on the western edge of Dublin, Ireland, known for its literary associations and proximity to the River Liffey.
-
E.
Rosslare
Rosslare is a coastal village and ferry port in County Wexford, Ireland, known for its maritime links to continental Europe and popular seaside resort.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Eircode Target entity description: Eircode is Ireland’s national postcode system, assigning unique seven-character codes to individual addresses to improve mail delivery and location services.
-
A.
Éirígí
Éirígí is a socialist republican political party and activist organization in Ireland that advocates for Irish reunification and left-wing social and economic policies.
-
B.
Naas
Naas is a historic market town in County Kildare, Ireland, which serves as a major commuter hub for nearby Dublin.
-
C.
Listowel
Listowel is a historic market town in County Kerry, Ireland, known for its literary heritage and annual writers’ festival.
-
D.
Chapelizod
Chapelizod is a historic riverside village and suburb on the western edge of Dublin, Ireland, known for its literary associations and proximity to the River Liffey.
-
E.
Rosslare
Rosslare is a coastal village and ferry port in County Wexford, Ireland, known for its maritime links to continental Europe and popular seaside resort.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | postcode system ⓘ |
| administeredBy | Eircode (company) NERFINISHED ⓘ |
| alsoKnownAs | Irish postcode system NERFINISHED ⓘ |
| appliesTo | Republic of Ireland NERFINISHED ⓘ |
| assignsTo |
business addresses
ⓘ
individual addresses ⓘ public buildings ⓘ residential addresses ⓘ |
| codeLength | 7 characters ⓘ |
| codeStructure | three-character routing key plus four-character unique identifier ⓘ |
| country | Ireland NERFINISHED ⓘ |
| covers |
multi-occupancy buildings
ⓘ
rural areas in Ireland ⓘ urban areas in Ireland ⓘ |
| databaseType | national address database ⓘ |
| excludesCharacters |
I
ⓘ
M ⓘ N ⓘ O ⓘ S ⓘ W ⓘ Z ⓘ |
| formatExample | A65 F4E2 ⓘ |
| formatPattern | A99 A9A9 ⓘ |
| granularity | unique code per letterbox where possible ⓘ |
| introducedBy |
Department of Communications, Climate Action and Environment
NERFINISHED
ⓘ
Government of Ireland NERFINISHED ⓘ |
| language | English ⓘ |
| launchDate | 2015-07-13 ⓘ |
| launchedInYear | 2015 ⓘ |
| operator | Capita Business Support Services Ireland NERFINISHED ⓘ |
| primaryPurpose |
facilitate emergency services location
ⓘ
improve mail delivery ⓘ support location-based services ⓘ support logistics and navigation ⓘ |
| regionCodeType | routing key ⓘ |
| regulator | Commission for Communications Regulation NERFINISHED ⓘ |
| relatedTo |
geocoding in Ireland
ⓘ
postal addressing in Ireland ⓘ |
| routingKeyFunction | identifies principal post town or area ⓘ |
| routingKeyLength | 3 characters ⓘ |
| uniqueIdentifierFunction | identifies individual address or property ⓘ |
| uniqueIdentifierLength | 4 characters ⓘ |
| usedBy |
An Post
NERFINISHED
ⓘ
emergency services in Ireland ⓘ logistics companies in Ireland ⓘ satellite navigation providers ⓘ utility companies in Ireland ⓘ |
| usesCharacterSet | Latin alphabet letters and digits ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Eircode Description of subject: Eircode is Ireland’s national postcode system, assigning unique seven-character codes to individual addresses to improve mail delivery and location services.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
H71 (Eircode routing key)
this entity surface form:
Eircode Address File