- Prefix
01204 5- Area
- Bolton
- Number type
- Geographic landline (01/02)
- Format
01204 5XXXXX- From abroad
+44 1204 5XXXXX- Ofcom blocks in range
- 46
- Blocks in service
- 41
- Range holders
- 15
What are 01204 5XXXXX numbers?
Any UK number matching 01204 5XXXXX sits in the
01204 dialling code for Bolton.
Ofcom hands these numbers to communications providers in blocks; this range
contains 46 blocks, of which
41 are allocated and usable. Calls from these
numbers are typically homes and businesses in the Bolton area — or
organisations elsewhere that keep a local 01204 presence using
VoIP.
Who holds 01204 5… number ranges?
| Range holder (allocated by Ofcom) | Number blocks | Example range |
|---|---|---|
| BT | 21 | 01204 51XXXX |
| Gamma Telecom Holdings Limited | 4 | 01204 563XXX |
| Sky UK Limited | 3 | 01204 561XXX |
| Media Hawk Ltd | 2 | 01204 568XXX |
| AQL Wholesale Ltd | 1 | 01204 565XXX |
| Alnitak GmbH | 1 | 01204 569XXX |
| Barritel Limited | 1 | 01204 581XXX |
| Belgacom International Carrier Services SA | 1 | 01204 583XXX |
| Colt Technology Services | 1 | 01204 588XXX |
| EVE CONNECT LTD | 1 | 01204 580XXX |
| I.T Communications Limited | 1 | 01204 564XXX |
| Internet of Things Limited | 1 | 01204 560XXX |
…and 3 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 46 blocks Ofcom lists, 5 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 01204 5… number safe?
A local-looking number is never proof of who is calling: fraudsters spoof 01204 caller IDs so their calls look like they come from Bolton (‘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 01204 5XXXXX 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.