A telephone directory or phone book is a listing of telephone subscribers within a specific geographical area. Its primary purpose is to help people find a subscriber’s contact details, whether it is of a residential listing or a business listing. Phone books in CNMI are available in both print and digital formats, as well as via a dedicated app. To find a listing, simply log on to the website or download the app onto your smartphone. To have your place of business listed, you must contact publishers of phone books in CNMI. Finding them is easy, as they’re all conveniently listed in the CNMI Phone Book.