# Communications Act 2003, Section 57: Conditions to secure access to telephone numbers


(1) General conditions may impose such requirements as OFCOM consider appropriate for securing that every end-user of a public electronic communications service is able, by means of that service—
(a) to make calls or otherwise transmit electronic communications to every normal telephone number; and
(b) to receive every call or other electronic communication that is made or transmitted to him using such a service from apparatus identified by a normal telephone number.
(2) A normal telephone number is one which—
(a) has been made available, in accordance with the National Telephone Numbering Plan, as a number to be used for the purpose of identifying the destination for, or the recipient of, electronic communications; and
(b) is for the time being—
(i) a number adopted by a communications provider to be used for such a purpose; or
(ii) a number in use for such a purpose by a person other than a communications provider to whom it has been allocated in accordance with conditions under section 59.
(3) In this section “electronic communication” has the same meaning as in section 56.

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Source: https://www.legislation.gov.uk/ukpga/2003/21/section/57 (the official version)
Page: https://openlegislation.uk/communications-act-2003/section-57
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.