One can contact Phones 4U in the UK through their official website. There one should go to the Contact Us section and one can find addresses, phone numbers and an email address.
After some looking, it would appear that there is no way to do this, as it would be an invasion of privacy if one could look up an address from just a phone number. This applies to residential numbers more than it does businesses, but it seems there is a block on all of this just to be safe.
The contact address for the business phone system in the UK currently is not known at the moment. However one can contact them by phone at 0151 547 4321 or email them at info@curveballsolutions.
Just dial the number, all the numbers are the same type regardless of how the phone is physically connected. The code for the UK is 44.
UK home phone numbers have 9 or 10 digits after the 0 trunk code. The digit after the 0 is a 1 or a 2.
WikiAnswers does not give out phone numbers.
In the UK 0500 is a toll free number.
No-where - UK numbers starting with 07 are mobile (cell) phone numbers.
One can find out the address of the Department of Trade and Industry in the UK from their official website. The headquarters are located at Westminster in London.
There are many places that one could look for phone numbers in the United Kingdom from the United States of America. One phone directory that one could use could be found on Yahoo.
UK courier services
"Espon UK offers their address as Epson (UK) Ltd