China-Hong Kong Telecom (CHT) operates as a mobile network in Hong Kong under Mobile Country Code (MCC) 454 and Mobile Network Code (MNC) 11. Hong Kong, while being a Special Administrative Region of China, maintains its own distinct mobile network landscape, with several providers competing for market share. CHT plays a role in this environment, offering mobile services to both local residents and visitors. Understanding the MCC and MNC codes is crucial for identifying networks, especially when roaming internationally or configuring specific mobile devices for use within Hong Kong. While specific information regarding subscriber numbers or market position of CHT can vary, generally the Hong Kong mobile market is known for its relatively high penetration rates and advanced infrastructure. Networks like CSL, Smartone and 3 Hong Kong are among the better-known players with greater brand presence. In Hong Kong, which geographically sits within Asia & Middle East telecommunications region, coverage and service quality are major factors considered by consumers. The 454-11 code serves as a unique identifier for China-Hong Kong Telecom, helpful for technical configuration and for differentiating it from other networks operating under the overall 454 MCC umbrella designated for Hong Kong.