- Prefix
01436 7- Area
- Helensburgh
- Number type
- Geographic landline (01/02)
- Format
01436 7XXXXX- From abroad
+44 1436 7XXXXX- Ofcom blocks in range
- 100
- Blocks in service
- 14
- Range holders
- 14
What are 01436 7XXXXX numbers?
Any UK number matching 01436 7XXXXX sits in the
01436 dialling code for Helensburgh.
Ofcom hands these numbers to communications providers in blocks; this range
contains 100 blocks, of which
14 are allocated and usable. Calls from these
numbers are typically homes and businesses in the Helensburgh area — or
organisations elsewhere that keep a local 01436 presence using
VoIP.
Who holds 01436 7… number ranges?
| Range holder (allocated by Ofcom) | Number blocks | Example range |
|---|---|---|
| Bink Networks Ltd | 1 | 01436 719XXX |
| Colt Technology Services | 1 | 01436 704XXX |
| DIDWW Ireland Limited | 1 | 01436 703XXX |
| Fuse 2 Communications Ltd | 1 | 01436 709XXX |
| Gamma Telecom Holdings Limited | 1 | 01436 713XXX |
| I.T Communications Limited | 1 | 01436 706XXX |
| IP Voice Networks Ltd | 1 | 01436 708XXX |
| KCOM Group Ltd | 1 | 01436 711XXX |
| Media Hawk Ltd | 1 | 01436 710XXX |
| Mi Telecom Limited | 1 | 01436 715XXX |
| Resilient Limited | 1 | 01436 705XXX |
| Sky UK Limited | 1 | 01436 701XXX |
…and 2 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 100 blocks Ofcom lists, 80 are protected (reserved by Ofcom and not in use) and 6 are free/unallocated. A call appearing to come from an unallocated block is a strong sign of a spoofed number.
Is a call from a 01436 7… number safe?
A local-looking number is never proof of who is calling: fraudsters spoof 01436 caller IDs so their calls look like they come from Helensburgh (‘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 01436 7XXXXX 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.
Run mobiles for a business? See our business mobile network comparison or get a quote.
More 01436 number ranges
Full 01436 Helensburgh area-code guide › · All UK area codes ›