Random Belfast Address Generator
A random Belfast address generator produces fictional postal addresses that use real BELFAST postcode districts (BT), a real traditional county (County Antrim) and Royal Mail address formatting, for use as software test data.
Generate realistic random Belfast addresses for software testing. Each address combines a real BELFAST postcode district (BT1, BT2, BT3, BT4, BT5, BT6 and 9 more) with a British street name, the BELFAST post town and the traditional county of County Antrim, laid out to Royal Mail conventions. Telephone numbers use the 028 9018 0xxx range that Ofcom reserves for drama, so no generated number can reach a real subscriber.
Belfast postal reference
| Parameter | Value |
|---|---|
| Royal Mail post town | BELFAST |
| Postcode areas | BT |
| Postcode districts | 15 |
| Traditional county | County Antrim |
| Country | Northern Ireland |
| Region | Northern Ireland |
| Dialling code | 028 |
| Telephone range used | 028 9018 0xxx (Ofcom drama range) |
| Time zone | Europe/London |
Postcode districts
BT1, BT2, BT3, BT4, BT5, BT6, BT7, BT9, BT10, BT11, BT12, BT13, BT14, BT15, BT17
Localities
- Linen Quarter (BT2)
- Harbour Estate (BT3)
- Belmont (BT4)
- Castlereagh (BT5)
- Cregagh (BT6)
- Ormeau (BT7)
- Malone (BT9)
- Finaghy (BT10)
- Andersonstown (BT11)
- Falls (BT12)
- Shankill (BT13)
- Ardoyne (BT14)
- New Lodge (BT15)
- Dunmurry (BT17)
Postal notes
- BT1 1AA sits in central Belfast; BT is the single postcode area covering all of Northern Ireland.
- Belfast straddles County Antrim and County Down: districts south and east of the River Lagan fall in County Down.
- Northern Ireland shares the 028 dialling code, with eight-digit local numbers (for example 028 9018 0000).
Example Belfast addresses
Residential:21 Wellington Mews
New Lodge
BELFAST
County Antrim
BT15 8TW
Commercial:Pennine Recruitment Ltd
Studio 14
198 Main Lane
Belmont
BELFAST
County Antrim
BT4 1SQ
Frequently asked questions
- Are these real Belfast addresses?
No. The BELFAST post town, its 15 postcode districts and the County Antrim traditional county are genuine, but the house numbers, street pairings and names are fictional and the last three characters of each postcode are generated. The results are structurally valid test data, not deliverable addresses.
- Which postcode districts does Belfast use?
Belfast is served by 15 districts in the BT postcode area: BT1, BT2, BT3, BT4, BT5, BT6, BT7, BT9, BT10, BT11, BT12, BT13, BT14, BT15, BT17.
- What is the dialling code for Belfast?
Belfast uses the 028 dialling code. Generated numbers are not built on live 028 subscriber ranges: every number comes from the 028 9018 0xxx block that Ofcom reserves for drama and fiction, so it can never dial a real person.
- Is a county line required on a Belfast address?
No. Royal Mail has not required a county line since 1996 - the post town (BELFAST) and a correct postcode are sufficient. The generator includes County Antrim as an optional line because many address forms and legacy databases still expect one.
- Can I generate Belfast addresses through the API?
Yes. Call GET /api/v1/addresses/random?location=belfast&count=25 for JSON, or add &format=csv, &format=sql or &format=xml for bulk export. No API key is required.
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