Question: what is prefix phone number
I found the following answer on Google: As telephone technology advanced, the precise significance of the prefix became blurred in many places; 485 in London, UK, was once the GULliver exchange, but now 44207485xxxx is just considered one of many number blocks served by the CLKEN Kentish Town exchange; 4420770703xx is another.
Is that a correct answer? Yes or no.
