- Prefix
01529 9- Area
- Sleaford
- Number type
- Geographic landline (01/02)
- Format
01529 9XXXXX- From abroad
+44 1529 9XXXXX- Ofcom blocks in range
- 55
- Blocks in service
- 7
- Range holders
- 6
What are 01529 9XXXXX numbers?
Any UK number matching 01529 9XXXXX sits in the
01529 dialling code for Sleaford.
Ofcom hands these numbers to communications providers in blocks; this range
contains 55 blocks, of which
7 are allocated and usable. Calls from these
numbers are typically homes and businesses in the Sleaford area — or
organisations elsewhere that keep a local 01529 presence using
VoIP.
Who holds 01529 9… number ranges?
| Range holder (allocated by Ofcom) | Number blocks | Example range |
|---|---|---|
| TalkTalk Communications Limited | 2 | 01529 968XXX |
| Nationwide Telephone Assistance Ltd | 1 | 01529 98XXXX |
| Served Up Limited | 1 | 01529 95XXXX |
| Six Degrees Technology Group Limited | 1 | 01529 914XXX |
| Spitfire Network Services Limited | 1 | 01529 977XXX |
| TTNC Limited | 1 | 01529 94XXXX |
Ofcom’s data shows the provider each number range was originally allocated to — not who holds an individual number today. Numbers are frequently moved (ported) between providers, and no public database reveals the person or business behind a specific number, so treat any service that claims to with suspicion.
Not every block in this range is in service: of the 55 blocks Ofcom lists, 48 are protected (reserved by Ofcom and not in use). A call appearing to come from an unallocated block is a strong sign of a spoofed number.
Is a call from a 01529 9… number safe?
A local-looking number is never proof of who is calling: fraudsters spoof 01529 caller IDs so their calls look like they come from Sleaford (‘neighbour spoofing’). If an unexpected caller asks for personal, banking or one-time-code details, hang up and ring the organisation back on a number you find independently. To put a name to a caller, see who called me?; to report one, see how to report a scam number.
Check a specific 01529 9XXXXX number
Paste any full number into the checker above (or on the main phone number checker) to see its exact range holder and allocation status from this week’s Ofcom data.
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