NumberBook | Numberbook is the doorstep to the world of contacts

Q: What is NumberBook?

A: Numberbook is a global phonebook and a worldwide number lookup service, which brings all the contact information of the world into your smartphone. In addition, Numberbook can help you block unwanted calls and keeping your phonebook up to date with current

Q: Which countries are supported?

A: Numberbook is supported everywhere in the world.

Q: I want to Remove my number from NumberBook

A: You can Unlist and Remove your number from our servers by visiting the Unlist or Remove sections from the Application.

Please allow up to 24 hours before the change. We are sorry for any inconvenience caused.

Q: I want to Edit how my Name is Showing on NumberBook

A: You can edit how your name is showed in Numberbook fetches and searches via the “Edit” section. This facility will help you change how your name is being displayed, add your own one, or even decorate it with personalized characters.
Please remember to add your country code, i.e. +52, and make sure your name is correctly spelled.

Please allow up to 24 hours before the change. We are sorry for any inconvenience caused.

Q: I search for a number but I get “No results”?

A: If it still does not give you any results, then unfortunately the number is currently not in our databases. We are constantly working to improve our database to give you the best results though. Hopefully we will have the number you are looking for very soon.

Q: Someone is using an Unethical Name or Linguistic. Can I report it?

A: You can at any time report an unethical linguistic usage, bad words, wrong names, corrupt usage of the Edit function. The following helps us keeping an honest, clean and ethical database, as well as an ethical usage of the application.

Q: What phones are supported?

A: iPhone, Android, BlackBerry, Symbian (S40 & S60) and windows Phones.

Q: My Phone is not detecting the Caller’s Number, Why?

A: Numberbook application can only detect and display names for number that are not stored within your contacts list. However some restrictions holds this option, where the 3rd party is registered to a CLIR service or other ones like hidden numbers or smartphone platform restrictions being applied.

Q: What do I share with other NumberBook users?

A: Numberbook only access the name and phone numbers in your phone book and they will securely be sent to our servers. Also, information contributed by our users can only be accessed through number lookups (name lookups are not exposed). If you wish to unlist your phone number from Numberbook, please read the questions above.

Q: Is it possible to trace the caller with NumberBook?

A: No it is not possible to trace any call with Numberbook. Numberbook does not access users location info in any way.

Q: Does NumberBook always work?

A: Numberbook will always work provided you have 3G or WLAN internet connection on your cellphone and the number is available on our databases.

Q: Is it possible to search for a name and get a phone number?

A: We support name lookups as all, you can at any time search via Name criteria to get their mobile/phone number. However the results may come up with multiple results. You then can proceed to choose which one to lean on,

Q: My requests are being processed slowly, why?

A:A normal lookup takes less than a second and it can be longer up to five seconds depending on the network connectivity. Unfortunately the search speed in some countries may be slow because of the partnering service provider.


Q: How do you get your data?

A:We get our data partly through partnerships with different white/yellow pages around the world and partly through our own database.
This database which is contributed by our users (opt in functionality and via manual synchronizing) and maintained by us is the core value of Numberbook towards the goal of ultimate global phonebook.
Users from all over the world voluntarily contribute to this directory and in return they get access to this special database and get significantly better search results. Even in countries where we have public directories, Numberbook data is used to enhance the data quality.
Please note that, phonebook contribution has been and always will be optional. Only phone number and names are used and all data is transferred and kept under extreme security measures by Numberbook.

Q: Is the information on NumberBook accurate?

A:We are constantly updating our database to give you the most accurate information possible. If some name and numbers can't be found or is inaccurate at the moment we deeply apologize for the inconvenience caused. Please give us some time and check back later, we hope to provide the ultimate global phonebook to our users, where there is no unknown number

Q: How do you protect the users?

A:Please note that we don't give away, share or sell any data that is in Numberbook‘s database, and we never make a lookup based on address or anything else in your contact. If you have any other questions, please feel free to contact us using the "Feedback"‘button