on Nintendo 3DS systems, or promotional/unlock codes for the simulation game

In the world of mobile networks, NTR stands for Network Traffic Redirection. This technology is used by Mobile Network Operators (MNOs) to manage and "steer" roaming subscribers to preferred partner networks.

Types of Phone Codes

1. Global Country Codes: There are over 200 country codes globally, standardized by the ITU.

   | Country | Code | Telecom Authority | |---------|------|-------------------| | Germany (Deutsche Telekom) | *57 | "Rufnummernanzeige bei böswilligen Anrufen" | | France (Orange) | *57 | "Signalement d’appel malveillant" | | Spain (Movistar) | *57 | "Traza de llamada molesta" | | Italy (TIM) | *57 | "Tracciamento chiamate moleste" | | Netherlands (KPN) | *57 | "Overlastmelding" | | Sweden (Telia) | *57 | "Spårning av olämpliga samtal" |

   Full List of GTA: Liberty City Stories Phone Codes

   Here is the complete cheat code list. Simply dial these numbers in the cheat menu to activate the effect.

   In the modern digital landscape, the acronym "NTR"—derived from the Japanese term