What do you get with 0845 numbers? The main advantage is the price structure, you pay the same lo-cost per minute from anywhere in the country.When you have a accurate idea of where your customers are located can ensure you direct your advertising more effectively. Could discovering when you received a telephone call and the duration of the call help you in your organisation? A number of people when they consider this for a while come up with a number of ideas that this information could be used for. A number of customers say they prefer to pay less when they first phone a organisations and this is why you should be using non-geographic telephone numbers.