07520 Area Code
UK mobile number range: what 07520 numbers are, who holds them, and what to do about a call you don't recognise.
What Is the 07520 Area Code?
UK mobile number. 07520 is a UK mobile number range. Numbers starting 07 are mobile numbers and are not tied to a place, so the code tells you nothing about where the caller is.
Who was the range allocated to?
Ofcom has allocated blocks of 07520 numbers to 5 providers: Tismi BV (2007), (Aq) Limited (2012), BT OnePhone Limited (2013), Simwood eSMS Limited (2014) and Gamma Telecom Holdings Limited (2026).
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 07520 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 07520 Range
| Number type | UK mobile number |
|---|---|
| Area | Not tied to a location |
| Number format | 07520 XXXXXX |
| Allocated by Ofcom | 50% of the range, to 5 providers |
| First allocation on record | 10 August 2007 |
| Most recent allocation | 12 August 2026 |
Providers holding 07520 numbers
| Provider (as allocated by Ofcom) | Share of range | First allocated |
|---|---|---|
| (Aq) Limited | 10% | 13 September 2012 |
| BT OnePhone Limited | 10% | 5 November 2013 |
| Gamma Telecom Holdings Limited | 10% | 12 August 2026 |
| Simwood eSMS Limited | 10% | 3 April 2014 |
| Tismi BV | 10% | 10 August 2007 |
Allocation data: Ofcom numbering data, as published 28 October 2026.
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Common Questions About 07520 Numbers
Is 07520 a mobile number?
Yes. 07520 is in the UK 07 mobile range. Mobile numbers are not linked to a location, and the owner can keep the number when they change network.
Where is the 07520 area code?
Nowhere in particular. 07520 is a UK mobile number range, and these numbers are not tied to a town or region, so the code does not show where a caller is.
Who does the 07520 range belong to?
Ofcom has allocated blocks of 07520 numbers to 5 providers: Tismi BV (2007), (Aq) Limited (2012), BT OnePhone Limited (2013), Simwood eSMS Limited (2014) and Gamma Telecom Holdings Limited (2026). 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 07520 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 07520 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.