01507 Area Code
The dialling code for Spilsby: what 01507 numbers are, who holds them, and what to do about a call you don't recognise.
What Is the 01507 Area Code?
Spilsby landline number. 01507 is the dialling code for Spilsby. Numbers starting 01507 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Spilsby.
Who was the range allocated to?
Ofcom has allocated 01507 numbers to 88 providers. The largest holders are BT, Vodafone Ltd (C&W) and Magrathea Telecommunications 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 01507 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 01507 Range
| Number type | Spilsby landline number |
|---|---|
| Area | Spilsby |
| Number format | 01507 XXXXXX |
| Allocated by Ofcom | 48% of the range, to 88 providers |
| First allocation on record | 15 July 1994 |
| Most recent allocation | 26 January 2026 |
Largest holders of 01507 numbers
| Provider (as allocated by Ofcom) | Share of range | First allocated |
|---|---|---|
| BT | 21% | 15 July 1994 |
| Vodafone Ltd (C&W) | 6% | 4 September 2013 |
| Magrathea Telecommunications Limited | 2% | 24 September 2004 |
| GCI Network Solutions Limited | 1% | 2 May 2017 |
| Gamma Telecom Holdings Limited | 1% | 9 October 2008 |
| Sky UK Limited | under 1% | 5 July 2013 |
82 more providers hold smaller blocks.
Allocation data: Ofcom numbering data, as published 28 October 2026.
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Common Questions About 01507 Numbers
Where is the 01507 area code?
01507 is the dialling code for Spilsby. Numbers starting 01507 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Spilsby.
Is 01507 a mobile number?
No. 01507 is a landline (geographic) area code for Spilsby. UK mobile numbers start with 07.
Who does the 01507 range belong to?
Ofcom has allocated 01507 numbers to 88 providers. The largest holders are BT, Vodafone Ltd (C&W) and Magrathea Telecommunications 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 01507 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 01507 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.