01687 Area Code
The dialling code for Mallaig: what 01687 numbers are, who holds them, and what to do about a call you don't recognise.
What Is the 01687 Area Code?
Mallaig landline number. 01687 is the dialling code for Mallaig. Numbers starting 01687 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Mallaig.
Who was the range allocated to?
Ofcom has allocated 01687 numbers to 78 providers. The largest holders are BT, AQL Wholesale Ltd 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 01687 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 01687 Range
| Number type | Mallaig landline number |
|---|---|
| Area | Mallaig |
| Number format | 01687 XXXXXX |
| Allocated by Ofcom | 35% of the range, to 78 providers |
| First allocation on record | 21 March 1995 |
| Most recent allocation | 26 January 2026 |
Largest holders of 01687 numbers
| Provider (as allocated by Ofcom) | Share of range | First allocated |
|---|---|---|
| BT | 4% | 21 March 1995 |
| AQL Wholesale Ltd | 2% | 4 August 2006 |
| Digital Space Group Limited | 1% | 16 May 2008 |
| (Aq) Limited | 1% | 12 September 2012 |
| Andrews & Arnold (Numbers) Ltd | 1% | 30 March 2009 |
| Barritel Limited | 1% | 27 June 2007 |
72 more providers hold smaller blocks.
Allocation data: Ofcom numbering data, as published 28 October 2026.
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Common Questions About 01687 Numbers
Where is the 01687 area code?
01687 is the dialling code for Mallaig. Numbers starting 01687 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Mallaig.
Is 01687 a mobile number?
No. 01687 is a landline (geographic) area code for Mallaig. UK mobile numbers start with 07.
Who does the 01687 range belong to?
Ofcom has allocated 01687 numbers to 78 providers. The largest holders are BT, AQL Wholesale Ltd 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 01687 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 01687 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.