- Prefix
01727 4- Area
- St Albans
- Number type
- Geographic landline (01/02)
- Format
01727 4XXXXX- From abroad
+44 1727 4XXXXX- Ofcom blocks in range
- 55
- Blocks in service
- 10
- Range holders
- 8
What are 01727 4XXXXX numbers?
Any UK number matching 01727 4XXXXX sits in the
01727 dialling code for St Albans.
Ofcom hands these numbers to communications providers in blocks; this range
contains 55 blocks, of which
10 are allocated and usable. Calls from these
numbers are typically homes and businesses in the St Albans area — or
organisations elsewhere that keep a local 01727 presence using
VoIP.
Who holds 01727 4… number ranges?
| Range holder (allocated by Ofcom) | Number blocks | Example range |
|---|---|---|
| Sky UK Limited | 3 | 01727 420XXX |
| AQL Wholesale Ltd | 1 | 01727 46XXXX |
| Barritel Limited | 1 | 01727 43XXXX |
| Digital Space Group Limited | 1 | 01727 453XXX |
| Digitech Solutions Global Limited | 1 | 01727 410XXX |
| Simwood eSMS Limited | 1 | 01727 48XXXX |
| Spitfire Network Services Limited | 1 | 01727 477XXX |
| TTNC Limited | 1 | 01727 40XXXX |
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, 42 are protected (reserved by Ofcom and not in use) and 3 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 01727 4… number safe?
A local-looking number is never proof of who is calling: fraudsters spoof 01727 caller IDs so their calls look like they come from St Albans (‘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 01727 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 01727 number ranges
Full 01727 St Albans area-code guide › · All UK area codes ›