Minor corrections to 03, 055 and 070.
Addition of 073.
Implementing the Ofcom UNBUNDLED TARIFFS for 084 and 087 non-geographic revenue-share (NTS) numbers and 090, 091 and 098 Premium Rate Services (PRS) numbers.
03 numbers begin 030, 033, 034 or 037 only.
Merge pull request #38 from g1smd/master

Implementing the Ofcom UNBUNDLED TARIFFS for 084/087 NTS, 090/091 PRS and 098 SES numbers.