Rules for using 0300 Numbers

Ofcom's National Telephone Numbering Plan for 0300 number usage

0300 numbers can only be ordered and used by public sector bodies and non-profit organisations such as registered charities.

Ofcom considers that the bodies eligible to use 0300 numbers should meet at least one of two basic criteria:


Please note that if you order a 0300 Number and you are not eligible, TTNC is obliged by regulation to re-claim the number, regardless of whether the number has been advertised online or is in print.