CSL Limited, operating in Hong Kong, is a prominent mobile network operator serving customers within the Asia & Middle East region. Identified by the Mobile Country Code (MCC) 454, which designates Hong Kong, and the Mobile Network Code (MNC) 18, CSL provides a range of mobile communication services, including voice, data, and SMS. As one of the established players in Hong Kong's competitive telecommunications market, CSL competes with other major networks such as SmarTone and Hutchison Telecom, striving to deliver innovative solutions and reliable connectivity to its subscribers. CSL has been providing different services, including 5G, since the technology has been provisioned within Hong Kong over the last few years. With a substantial subscriber base throughout Hong Kong, CSL Limited plays a significant role in the region's digital landscape. The network continuously invests in infrastructure upgrades to enhance network coverage and capacity, catering to the ever-increasing demand for mobile data. For users identifying a network via MCC and MNC, knowing that 454 18 corresponds to CSL in Hong Kong is crucial for troubleshooting connectivity issues or confirming network access, especially when roaming or using multi-SIM devices. Being part of the Asia & Middle East footprint, CSL provides connectivity to the busy country of Hong Kong.