01870 Area Code
The dialling code for Isle of Benbecula: what 01870 numbers are, who holds them, and what to do about a call you don't recognise.
What Is the 01870 Area Code?
Isle of Benbecula landline number. 01870 is the dialling code for Isle of Benbecula. Numbers starting 01870 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Isle of Benbecula.
Who was the range allocated to?
Ofcom has allocated 01870 numbers to 74 providers. The largest holders are BT, Digital Space Group Limited and (Aq) 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 01870 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 01870 Range
| Number type | Isle of Benbecula landline number |
|---|---|
| Area | Isle of Benbecula |
| Number format | 01870 XXXXXX |
| Allocated by Ofcom | 33% of the range, to 74 providers |
| First allocation on record | 15 July 1994 |
| Most recent allocation | 21 February 2025 |
Largest holders of 01870 numbers
| Provider (as allocated by Ofcom) | Share of range | First allocated |
|---|---|---|
| BT | 3% | 15 July 1994 |
| Digital Space Group Limited | 1% | 23 May 2008 |
| (Aq) Limited | 1% | 24 April 2013 |
| AQL Wholesale Ltd | 1% | 3 January 2008 |
| Andrews & Arnold (Numbers) Ltd | 1% | 2 April 2009 |
| Barritel Limited | 1% | 12 June 2007 |
68 more providers hold smaller blocks.
Allocation data: Ofcom numbering data, as published 28 October 2026.
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Common Questions About 01870 Numbers
Where is the 01870 area code?
01870 is the dialling code for Isle of Benbecula. Numbers starting 01870 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Isle of Benbecula.
Is 01870 a mobile number?
No. 01870 is a landline (geographic) area code for Isle of Benbecula. UK mobile numbers start with 07.
Who does the 01870 range belong to?
Ofcom has allocated 01870 numbers to 74 providers. The largest holders are BT, Digital Space Group Limited and (Aq) 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 01870 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 01870 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.