When we talk about phone directories , you always think at those big yellow printed books where you could find all the numbers . The main book is known as the “ Yellow Book “ which contains classified directories for business to consumer . They also offer another similar book which is known as “ White Pages “ that contains for each country where is commercialized an alphabetical list of residential and business numbers

This kind of service exists all over the world and every country has this national printed book and other kind of phone directories which are offered by local companies . It is a service at hand for everyone .

During the last few years, the definition of phone directories has change a little because there have also appeared other types of phone directories . In first place there appeared the call center, meaning there is a phone number or better said a phone line which usually has a phone number which is a short number formed from 4 digits and more recently there are the information numbers which all start with 118 and then is followed by another three digits which vary depending on the company who provides this kind of service .

When you call at this type of call center for information that you need, an operator will take your call and you will tell him what information do you need and the operator will begin to look it up through their databases with contact information for persons and all type of businesses

This kind of service can also be named as phone directory assistance because there is an operator who assists you and who takes care of your request and makes the search for you because in the end it has to come up to you with the requested information

This kind of service has to prove to offer accurate information and which is 100% verified because all companies who provide this type of service has tariffs per call and per minute and the majority of them charge you even for calling and then there is another tariff which is per minute, and as the minutes pass by, you will have to deal with a bigger cost of the call and information that you need will cost you extremely much . The phone directory assistance is a service that has to operate with good and accurate databases and the numbers which are given to the clients have to be first verified because only in this way the company can be sure that the clients are given accurate information which is not wrong or mistaken and their money have worth the service .

For avoiding problems with the clients, many of call centers may have a guarantee policy which covers 100 per cent the costs of the call for the needed information in case if the client it is given a number which is not functioning ,which is out of area or at which answers not the expected person or business .