Random Londonderry Address Generator
A random Londonderry address generator produces fictional postal addresses that use real LONDONDERRY postcode districts (BT), a real traditional county (County Londonderry) and Royal Mail address formatting, for use as software test data.
Generate realistic random Londonderry addresses for software testing. Each address combines a real LONDONDERRY postcode district (BT47, BT48) with a British street name, the LONDONDERRY post town and the traditional county of County Londonderry, 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.
Londonderry postal reference
| Parameter | Value |
|---|---|
| Royal Mail post town | LONDONDERRY |
| Postcode areas | BT |
| Postcode districts | 2 |
| Traditional county | County Londonderry |
| Country | Northern Ireland |
| Region | Northern Ireland |
| Dialling code | 028 |
| Telephone range used | 028 9018 0xxx (Ofcom drama range) |
| Time zone | Europe/London |
Postcode districts
BT47, BT48
Localities
- Waterside (BT47)
- Cityside (BT48)
Postal notes
- The Royal Mail post town is LONDONDERRY, although the city is also widely known as Derry; both are accepted in practice when the postcode is correct.
Example Londonderry addresses
Residential:57 Holly View
Cityside
LONDONDERRY
County Londonderry
BT48 0TG
Commercial:Mersey Recruitment PLC
169 Willow Row
Cityside
LONDONDERRY
County Londonderry
BT48 9BD
Frequently asked questions
- Are these real Londonderry addresses?
No. The LONDONDERRY post town, its 2 postcode districts and the County Londonderry 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 Londonderry use?
Londonderry is served by 2 districts in the BT postcode area: BT47, BT48.
- What is the dialling code for Londonderry?
Londonderry 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 Londonderry address?
No. Royal Mail has not required a county line since 1996 - the post town (LONDONDERRY) and a correct postcode are sufficient. The generator includes County Londonderry as an optional line because many address forms and legacy databases still expect one.
- Can I generate Londonderry addresses through the API?
Yes. Call GET /api/v1/addresses/random?location=londonderry&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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