- Prefix
01583 4- Area
- Carradale
- Number type
- Geographic landline (01/02)
- Format
01583 4XXXXX- From abroad
+44 1583 4XXXXX- Ofcom blocks in range
- 37
- Blocks in service
- 21
- Range holders
- 12
What are 01583 4XXXXX numbers?
Any UK number matching 01583 4XXXXX sits in the
01583 dialling code for Carradale.
Ofcom hands these numbers to communications providers in blocks; this range
contains 37 blocks, of which
21 are allocated and usable. Calls from these
numbers are typically homes and businesses in the Carradale area — or
organisations elsewhere that keep a local 01583 presence using
VoIP.
Who holds 01583 4… number ranges?
| Range holder (allocated by Ofcom) | Number blocks | Example range |
|---|---|---|
| Gamma Telecom Holdings Limited | 8 | 01583 460XXX |
| BT | 3 | 01583 42XXXX |
| API Telecom Limited | 1 | 01583 492XXX |
| Flextel Limited | 1 | 01583 48XXXX |
| ICC Networks Ltd | 1 | 01583 493XXX |
| IOVOX Limited | 1 | 01583 497XXX |
| Internexus Networks Limited | 1 | 01583 491XXX |
| Linear Telecoms Limited | 1 | 01583 410XXX |
| Magrathea Telecommunications Limited | 1 | 01583 40XXXX |
| Orbtalk Limited | 1 | 01583 494XXX |
| Simwood eSMS Limited | 1 | 01583 499XXX |
| Ziron Limited | 1 | 01583 495XXX |
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 37 blocks Ofcom lists, 16 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 01583 4… number safe?
A local-looking number is never proof of who is calling: fraudsters spoof 01583 caller IDs so their calls look like they come from Carradale (‘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 01583 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.
Run mobiles for a business? See our business mobile network comparison or get a quote.
More 01583 number ranges
Full 01583 Carradale area-code guide › · All UK area codes ›