maybe someone to suggest him to dial 0, then 00, then 44, then 1223 ... followed by the remaining telephone number. Although the sky is in many patterns of grey, a complex ceiling at times, there is a light often to be found...

The Honourable Schoolboy

Nb. http://www.thephonebook.bt.com/publisha.content/en/search/uk_codes/search.publisha?Search=Cambridge