# The Telecommunications (Voice Telephony) Regulations 1997, Paragraph 10: Main elements of the national numbering plan


In accordance with the requirements of Article 21 of the Voice Telephony Directive.

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Source: https://www.legislation.gov.uk/uksi/1997/1886/schedule/2/paragraph/10 (the official version)
Page: https://openlegislation.uk/telecommunications-voice-telephony-regulations-1997/schedule-2/paragraph-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.