Section 137, The National Communications Authority Act, 2022

(1) The Authority shall develop a national numberingplan for the efficient use and assignment of numbers. (2) The national numbering plan shall consist of a scheme of identification to ensure that electronic communications are correctly and efficiently directed to the point of reception for which they are intended. (3) The Authority shall maintain and manage a record of the status of all number ranges, codes and blocks of numbers comprising the national numbering plan in a central data numbering database system. (4) The Authority may revise, vary or revoke the national numbering plan, and shall issue a public notice to that effect.