The phrase "electronic directory" is correct and can be used in written English.
It refers to a digital database or listing of names, addresses, and other contact information. Example: "I couldn't find your phone number in the paper directory, so I searched for it in the electronic directory on my computer."
Earlier this year, British Telecom said it would spin off Yell, its electronic directory, in an initial public offering.
The company's other operations, consisting of BT Wireless; Yell, its electronic directory; and Ignite, which sells broadband to business customers, will be linked to NetCo through a holding company.
Matching telephone numbers were found from an electronic directory and households were called requesting consent for the study and to identify a contact person.
At the end of the assessment callers are matched to the most appropriate service available at the time of their call from a range of services within the callers' locality using an electronic directory of services linked to the assessment system.
Breakthrough, Aided by Israel It took months for the beacons to do their work and report home, complete with maps of the electronic directories of the controllers and what amounted to blueprints of how they were connected to the centrifuges deep underground.
In April 2011, however, Gallup began drawing the landline portion of its samples for the Gallup Daily and other surveys from phone numbers listed in electronic directories.
The researcher identified a further 187 numbers from electronic directories.
In this or a subsequent appointment, the GPCMHW researched and advised the patient about potential community resources which might help meet their identified needs; the GPCMHW utilised a combination of paper and electronic directories, telephone enquiries, and other sources.
Telephone numbers (n = 48 014) were randomly selected from the NSW electronic telephone directory.
Participants of the North West Adelaide Health Study (NWAHS) were recruited from households randomly selected from the electronic telephone directory in 2000 2002.
Telephone numbers of households in the study region listed in the Electronic White Pages directory were randomly selected.
