Postal Code Finder
Registry / United Kingdom / Wales / Gwynedd / Cefn-ddwysarn

Cefn-ddwysarn postal code LL23

Verified postal identifier in Gwynedd, United Kingdom. Technical profile with precision geocoding and administrative hierarchy.

Verified data profile for Cefn-ddwysarn

Based on 1 records, 1 postal code values and 1 mapped localities. Coordinate coverage is 100.0%.

1
Records
1
Postal identifiers
100.0%
Geocoded
LL23
Example code
Postal code Locality Administrative path Coordinates
LL23 Cefn-ddwysarn Wales / Gwynedd 52.9055, -3.6018

Related postal lookups

United Kingdom
country
Prefix LL2
code_prefix · 10 records
LL19
nearby_postal_code · 3 records
LL20
nearby_postal_code · 15 records
LL21
nearby_postal_code · 28 records
LL22
nearby_postal_code · 19 records
LL24
nearby_postal_code · 12 records
LL25
nearby_postal_code · 4 records

Local postal record details

Use this page to validate one postal code or locality against real parent areas, nearby records and downloadable source rows. The canonical route for this record set is /postal-codes/united-kingdom/wales/gwynedd/cefn-ddwysarn.

Records
1
Database rows represented by this canonical route.
Postal identifiers
1
Distinct postal code values available for this page.
Localities
1
Mapped place names or administrative entries.
Coordinate coverage
100.0%
Rows with latitude and longitude available.
Example
LL23
Sample code from Cefn-ddwysarn.
Code Place Hierarchy
LL23 Cefn-ddwysarn Wales / Gwynedd
Download postal data
CSV, JSON and XLSX exports for research, validation and data products.
Use the API
Query postal codes by country, place name, region or code prefix.
Implementation notes
Field definitions, canonical paths and practical lookup guidance.

Useful related pages

United Kingdom
country
Prefix LL2
code_prefix · 10 records
LL19
nearby_postal_code · 3 records
LL20
nearby_postal_code · 15 records
LL21
nearby_postal_code · 28 records
LL22
nearby_postal_code · 19 records
LL24
nearby_postal_code · 12 records
LL25
nearby_postal_code · 4 records

Data questions

How should I validate LL23?

Validate the postal identifier together with country, locality and administrative hierarchy fields, not as a standalone global pattern.

What context is available for this record?

The page includes the parent country, related prefix or nearby codes, coordinates when available and source rows for download/API workflows.

Validation and related lookup paths

Use this page to confirm that LL23 belongs to Cefn-ddwysarn inside United Kingdom. For applications, validate the original postal code string together with the country and administrative hierarchy instead of relying on a global numeric pattern.

United Kingdom country lookup
Open top regions, formats and downloads.
Prefix LL2
Compare nearby postal identifiers.
Wales
Parent administrative area.
Gwynedd
Parent administrative area.

Verified Technical Data

Postal Identifier LL23
Locality Name Cefn-ddwysarn
Administrative L1 Wales
Administrative L2 Gwynedd
Spatial Coordinates LAT: 52.9055
LNG: -3.6018

Spatial Verification Map

Centroid Location: The marker represents the verified geographic centroid for the LL23 identifier area.

Geographic & Administrative Context

The postal identifier LL23 is under the regional jurisdiction of United Kingdom. Within this territory, it is specifically managed as part of the Wales » Gwynedd » Cefn-ddwysarn administrative chain, ensuring precise logistical and geographic synchronization with official geocoded registries.

Nearby postal code lookups

Compare LL23 with adjacent identifiers in United Kingdom. These links keep the local code range connected without loading a large directory table.

LL19
Gronant
LL20
Dolywern
LL21
Bethel
LL22
Abergele
LL24
Betws-y-coed
LL25
Blaenau Dolwyddelan
LL26
Capel Garmon
LL27
Trefriw

Frequently Asked Questions: Cefn-ddwysarn postal code guide

What is the postal structure for Cefn-ddwysarn?

Cefn-ddwysarn is represented in the United Kingdom postal registry with verified coordinates and administrative hierarchy fields.

Can I download postal code data for Cefn-ddwysarn?

Yes. The dataset for Cefn-ddwysarn can be exported in CSV, Excel and JSON formats from the download section on this page.

Is this postal code geocoded?

Yes. The record includes latitude and longitude coordinates and verified administrative labels for mapping and validation.

How should I validate LL23?

Validate the postal identifier together with country, locality and administrative hierarchy fields, not as a standalone global pattern.

What context is available for this record?

The page includes the parent country, related prefix or nearby codes, coordinates when available and source rows for download/API workflows.