01727 Area Code
The dialling code for St Albans: what 01727 numbers are, who holds them, and what to do about a call you don't recognise.
What Is the 01727 Area Code?
St Albans landline number. 01727 is the dialling code for St Albans. Numbers starting 01727 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in St Albans.
Who was the range allocated to?
Ofcom has allocated 01727 numbers to 109 providers. The largest holders are BT, Vodafone Ltd (C&W) and Virgin Media Limited.
Numbers can be moved (ported) between networks, so the network a caller uses today may not be the one Ofcom allocated the block to. The allocation does not identify the person or business using a number.
Had a call from a 01727 number you don't recognise?
We can't tell you who called: an area code only shows the type of number and the provider Ofcom allocated the range to.
- Don't call back in a hurry, even if a message says it's urgent. Never give bank details or security codes on a call you didn't expect.
- Block the number from your phone's recent calls list.
- Forward scam texts free to 7726. Report unwanted marketing calls to the ICO, and see Ofcom's advice on scam calls.
- Register your number with the Telephone Preference Service to opt out of sales calls.
About the 01727 Range
| Number type | St Albans landline number |
|---|---|
| Area | St Albans |
| Number format | 01727 XXXXXX |
| Allocated by Ofcom | 47% of the range, to 109 providers |
| First allocation on record | 15 July 1994 |
| Most recent allocation | 17 March 2026 |
Largest holders of 01727 numbers
| Provider (as allocated by Ofcom) | Share of range | First allocated |
|---|---|---|
| BT | 14% | 15 July 1994 |
| Vodafone Ltd (C&W) | 4% | 10 September 2013 |
| Virgin Media Limited | 4% | 15 July 1994 |
| AQL Wholesale Ltd | 2% | 1 November 2004 |
| GCI Network Solutions Limited | 2% | 26 April 2017 |
| Gamma Telecom Holdings Limited | 2% | 20 April 2004 |
103 more providers hold smaller blocks.
Allocation data: Ofcom numbering data, as published 28 October 2026.
Get Your Own 01727 Number
Want a St Albans number for your business? DigitalNumbers gives you one that rings on your existing mobile, with its own app, voicemail and WhatsApp Business support. 100+ numbers currently available.
- Make and receive calls using our included app
- Forwards calls to your existing mobile
- Works with WhatsApp Business
- Includes professional voicemail
- Lets you set working hours
Common Questions About 01727 Numbers
Where is the 01727 area code?
01727 is the dialling code for St Albans. Numbers starting 01727 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in St Albans.
Is 01727 a mobile number?
No. 01727 is a landline (geographic) area code for St Albans. UK mobile numbers start with 07.
Who does the 01727 range belong to?
Ofcom has allocated 01727 numbers to 109 providers. The largest holders are BT, Vodafone Ltd (C&W) and Virgin Media Limited. Numbers can be moved (ported) between networks, so the network a caller uses today may not be the one Ofcom allocated the block to. The allocation does not identify the person or business using a number.
Who called me from a 01727 number?
We can't tell you who called. An area code only shows the type of number and which provider Ofcom allocated the range to. If you don't recognise a 01727 number, don't call back in a hurry, and never give out bank details or security codes on a call you didn't expect.
Block the number from your phone's recent calls list. Forward scam texts free to 7726, report unwanted marketing calls to the ICO, and see Ofcom's advice on scam calls.