07643 numbers are for pagers in the United Kingdom.
All UK 07 numbers are for mobiles, pagers and personal numbering.
Which network uses 07643 numbers?
07643 numbers are officially allocated to Yim Siam Telecom for pager services.
Calls to pagers are charged at a variety of special rates. They are not normally included in bundled talktime or inclusive minutes.
Formatting an 07643 number
There is no set format for UK pager numbers, but the commonest format is: 07643 xxxxxx
For international callers, use: +44 7643 xxxxxx