Postal Code Finder
Registry / United Kingdom / Northern Ireland / County Antrim / Castlereagh

Castlereagh postal code BT5

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

Verified data profile for Castlereagh

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
BT5
Example code
Postal code Locality Administrative path Coordinates
BT5 Castlereagh Northern Ireland / County Antrim 54.5735, -5.8847

Related postal lookups

United Kingdom
country
Prefix BT5
code_prefix · 9 records
BT46
nearby_postal_code · 4 records
BT47
nearby_postal_code · 9 records
BT48
nearby_postal_code · 7 records
BT49
nearby_postal_code · 2 records
BT51
nearby_postal_code · 11 records
BT52
nearby_postal_code · 3 records

Validation and related lookup paths

Use this page to confirm that BT5 belongs to Castlereagh 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 BT5
Compare nearby postal identifiers.
Northern Ireland
Parent administrative area.
County Antrim
Parent administrative area.

Verified Technical Data

Postal Identifier BT5
Locality Name Castlereagh
Administrative L1 Northern Ireland
Administrative L2 County Antrim
Spatial Coordinates LAT: 54.5735
LNG: -5.8847

Spatial Verification Map

Centroid Location: The marker represents the verified geographic centroid for the BT5 identifier area.

Geographic & Administrative Context

The postal identifier BT5 is under the regional jurisdiction of United Kingdom. Within this territory, it is specifically managed as part of the Northern Ireland » County Antrim » Castlereagh administrative chain, ensuring precise logistical and geographic synchronization with official geocoded registries.

Nearby postal code lookups

Compare BT5 with adjacent identifiers in United Kingdom. These links keep the local code range connected without loading a large directory table.

BT46
Lisnamuck
BT47
Claudy
BT48
Ballynagard
BT49
Ballykelly
BT51
Aghadowey
BT52
Ballyvelton
BT53
Armoy
BT54
Ballintoy

Frequently Asked Questions: Castlereagh postal code guide

What is the postal structure for Castlereagh?

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

Can I download postal code data for Castlereagh?

Yes. The dataset for Castlereagh 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.