01620 Area Code
The dialling code for North Berwick: what 01620 numbers are, who holds them, and what to do about a call you don't recognise.
What Is the 01620 Area Code?
North Berwick landline number. 01620 is the dialling code for North Berwick. Numbers starting 01620 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in North Berwick.
Who was the range allocated to?
Ofcom has allocated 01620 numbers to 84 providers. The largest holders are BT, GCI Network Solutions Limited and Vodafone Ltd (C&W).
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 01620 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 01620 Range
| Number type | North Berwick landline number |
|---|---|
| Area | North Berwick |
| Number format | 01620 XXXXXX |
| Allocated by Ofcom | 43% of the range, to 84 providers |
| First allocation on record | 15 July 1994 |
| Most recent allocation | 26 January 2026 |
Largest holders of 01620 numbers
| Provider (as allocated by Ofcom) | Share of range | First allocated |
|---|---|---|
| BT | 10% | 15 July 1994 |
| GCI Network Solutions Limited | 2% | 2 May 2017 |
| Vodafone Ltd (C&W) | 2% | 14 October 2013 |
| Digital Space Group Limited | 1% | 16 May 2008 |
| (Aq) Limited | 1% | 12 September 2012 |
| AQL Wholesale Ltd | 1% | 20 December 2007 |
78 more providers hold smaller blocks.
Allocation data: Ofcom numbering data, as published 28 October 2026.
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Common Questions About 01620 Numbers
Where is the 01620 area code?
01620 is the dialling code for North Berwick. Numbers starting 01620 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in North Berwick.
Is 01620 a mobile number?
No. 01620 is a landline (geographic) area code for North Berwick. UK mobile numbers start with 07.
Who does the 01620 range belong to?
Ofcom has allocated 01620 numbers to 84 providers. The largest holders are BT, GCI Network Solutions Limited and Vodafone Ltd (C&W). 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 01620 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 01620 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.