0300 numbers are reserved exclusively for not-for-profit organisations such as charities and public sector bodies. Using a 0300 number can help increase your organisation's creditability in the public perception. A wide range of charities including Oxfam and the RSPCA use 0300 numbers to their great advantage. To check the routing costs to a specific number, see our Call Price Calculator, or to see a full list of allowed destinations and their associated cost per minute, see our Full Price List.
To connect these numbers organisations need to send Flextel details of their organisation e.g. website address, charity number and status.
This is the full telephone number as dialled from within the UK. The international format is: +44, with plus(+) representing the international prefix. This is typically 00 in Europe e.g. 00 44
See below for any patterns used to value this number