02871 Area Code
The dialling code for Londonderry: what 02871 numbers are, who holds them, and what to do about a call you don't recognise.
What Is the 02871 Area Code?
Londonderry landline number. 02871 numbers are UK landline numbers in the 028 area code, which covers Northern Ireland (Londonderry). Internet phone services can use them too, so a caller is not necessarily there.
Who was the range allocated to?
Ofcom has allocated 02871 numbers to 54 providers. The largest holders are BT, Virgin Media Limited and Digital Space Group Limited.
Numbers can be moved (ported) between networks, so the network a caller uses today may not be the one Ofcom allocated the block to. The allocation does not identify the person or business using a number.
Had a call from a 02871 number you don't recognise?
We can't tell you who called: an area code only shows the type of number and the provider Ofcom allocated the range to.
- Don't call back in a hurry, even if a message says it's urgent. Never give bank details or security codes on a call you didn't expect.
- Block the number from your phone's recent calls list.
- Forward scam texts free to 7726. Report unwanted marketing calls to the ICO, and see Ofcom's advice on scam calls.
- Register your number with the Telephone Preference Service to opt out of sales calls.
About the 02871 Range
| Number type | Londonderry landline number |
|---|---|
| Area | Londonderry |
| Part of | the 028 area code (Northern Ireland) |
| Number format | 028 71XX XXXX |
| Allocated by Ofcom | 80% of the range, to 54 providers |
| First allocation on record | 26 May 1999 |
| Most recent allocation | 26 February 2024 |
Largest holders of 02871 numbers
| Provider (as allocated by Ofcom) | Share of range | First allocated |
|---|---|---|
| BT | 18% | 26 May 1999 |
| Virgin Media Limited | 4% | 26 May 1999 |
| Digital Space Group Limited | 3% | 9 June 2008 |
| Datazero Ltd | 2% | 2 November 2010 |
| GCI Network Solutions Limited | 2% | 19 April 2017 |
| TalkTalk Communications Limited | 2% | 5 October 2007 |
48 more providers hold smaller blocks.
Allocation data: Ofcom numbering data, as published 28 October 2026.
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Common Questions About 02871 Numbers
Where is the 02871 area code?
02871 numbers are UK landline numbers in the 028 area code, which covers Northern Ireland (Londonderry). Internet phone services can use them too, so a caller is not necessarily there.
Is 02871 a mobile number?
No. 02871 is a landline (geographic) area code for Londonderry. UK mobile numbers start with 07.
Who does the 02871 range belong to?
Ofcom has allocated 02871 numbers to 54 providers. The largest holders are BT, Virgin Media Limited and Digital Space Group Limited. Numbers can be moved (ported) between networks, so the network a caller uses today may not be the one Ofcom allocated the block to. The allocation does not identify the person or business using a number.
Who called me from a 02871 number?
We can't tell you who called. An area code only shows the type of number and which provider Ofcom allocated the range to. If you don't recognise a 02871 number, don't call back in a hurry, and never give out bank details or security codes on a call you didn't expect.
Block the number from your phone's recent calls list. Forward scam texts free to 7726, report unwanted marketing calls to the ICO, and see Ofcom's advice on scam calls.