05603 05 Dialing Code
UK telephone numbers with dialing codes that start with 056 are location independent electronic communications service numbers (including VoIP).
Location independent electronic communications service numbers (including VoIP) are allocated in blocks to particular providers and the remaining digits of the dialing code indicate which particular provider this block of numbers were originally allocated to. In this case, the full dialing code 05603 05 indicates that the number was originally allocated to Magrathea Telecommunications Limited on 15 January 2009. Note that due to number portability, it is not possible to say which provider a specific telephone number is currently allocated to as they may have been transferred by the user.
05603 05 dialing code information
| Number type: | VoIP |
|---|---|
| Dialing Code: | 05603 05 |
| Provider: | Magrathea Telecommunications Limited |
| Date range allocated: | 15 January 2009 |
| Number format: | 05603 05#### |
| International number format: | +44 5603 05#### |
This page was last updated on 31 May 2022.
