Mobile number portability allows users to keep their mobile number even when they change mobile network operators. This is called Mobile Number Portability (MNP). The user also retains the network code number of the network operator. The caller can no longer deduce the network operator from the area code number, nor can he draw any conclusions as to whether the called party is registered with the same or a different mobile network operator.
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|Englisch:||mobile number portability - MNP|