Integrated Tracing Solutions for the Public Sector

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Telephone Directory Search

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The national Telephone Directory Search provides Authorities with the facility to perform a search for an individual’s (or a business's) latest telephone number.  This can be achieved via a direct search on the Telephone Directory database or from the results page of a Benefits, Council Tax or Business Rates Search.

The information provided by the search includes:

  • Full Name / Business Name
  • Full Address
  • Full Telephone Number

MAG:NET Solutions are licensed by BT Wholesale Directory Solutions to hold the BT OSIS database and to provide a national Telephone Directory Search.

BT OSIS is a centrally administered telephone directory containing the names, addresses and telephone numbers of individuals and businesses. The database is the only official directory of telephone numbers in the UK and is owned and administered by BT Wholesale Directory Solutions.

The OSIS database contains more than 26 million residential and business names, addresses, and telephone numbers supplied to BT by over 80 UK Communication Providers.  The BT OSIS database also contains around 100,000 mobile phone numbers.

When an individual requests a new telephone line and agrees to be listed in the telephone directory, the data will be entered into BT OSIS, making the BT OSIS database very accurate and up-to-date.  The database is updated 6 days a week.

This search is provided at no extra cost to our unlimited users where it is included in the LoCTA Search licence fee.