This area contains information on number portability on public telephone networks, in particular on operator portability (a feature which means users can switch provider but keep their number).

The principles and rules governing operator portability on public telephone networks are set out in Portability Regulationhttps://www.anacom.pt/render.jsp?categoryId=333120 and in the Specifications for Portabilityhttps://www.anacom.pt/render.jsp?categoryId=378819.

See relevant decisionshttps://www.anacom.pt/render.jsp?categoryId=376876 on this matter.