- Prefix
01637 4- Area
- Newquay
- Number type
- Geographic landline (01/02)
- Format
01637 4XXXXX- From abroad
+44 1637 4XXXXX- Ofcom blocks in range
- 55
- Blocks in service
- 28
- Range holders
- 25
What are 01637 4XXXXX numbers?
Any UK number matching 01637 4XXXXX sits in the
01637 dialling code for Newquay.
Ofcom hands these numbers to communications providers in blocks; this range
contains 55 blocks, of which
28 are allocated and usable. Calls from these
numbers are typically homes and businesses in the Newquay area — or
organisations elsewhere that keep a local 01637 presence using
VoIP.
Who holds 01637 4… number ranges?
| Range holder (allocated by Ofcom) | Number blocks | Example range |
|---|---|---|
| Colt Technology Services | 2 | 01637 472XXX |
| Six Degrees Technology Group Limited | 2 | 01637 481XXX |
| TalkTalk Communications Limited | 2 | 01637 498XXX |
| API Telecom Limited | 1 | 01637 411XXX |
| Alnitak GmbH | 1 | 01637 476XXX |
| Belgacom International Carrier Services SA | 1 | 01637 478XXX |
| Commi Holdings Limited | 1 | 01637 40XXXX |
| Content Guru Limited | 1 | 01637 417XXX |
| DIDWW Ireland Limited | 1 | 01637 471XXX |
| Dial 9 Communications Limited | 1 | 01637 479XXX |
| Digital Mail Limited | 1 | 01637 420XXX |
| Flextel Limited | 1 | 01637 46XXXX |
…and 13 more providers hold smaller allocations in this range.
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, 27 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 01637 4… number safe?
A local-looking number is never proof of who is calling: fraudsters spoof 01637 caller IDs so their calls look like they come from Newquay (‘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 01637 4XXXXX 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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