Yancoal Australia Ltd operates as a significant mobile network provider within Australia, Oceania, identified by its unique Mobile Network Code (MNC) of 37 under the Mobile Country Code (MCC) 505, which designates Australia. While not a traditional, consumer-facing mobile network in the same vein as Telstra, Optus, or Vodafone, Yancoal's communication infrastructure likely plays a crucial role in supporting the vast operations of its mining endeavors across the country. This could involve private LTE networks or other specialized mobile solutions optimized for data transmission, remote operations, and ensuring reliable connectivity in areas where traditional network coverage may be limited or non-existent. Compared to the major Australian mobile carriers offering nationwide voice and data services to the general public, Yancoal's mobile network is more likely tailored to specific industrial needs, offering a closed or semi-closed system for the company's internal communications and data requirements. As Australia is geographically expansive, infrastructure is key to success, and the company would need a successful network operation in place. While specific details about the network's technology and coverage area are generally restricted, its importance to Yancoal's operational efficiency within the Australian mining landscape is undeniable. Understanding MCC and MNC codes like 505 and 37 is critical for identifying and analyzing the diverse range of mobile networks operating within a given region, going beyond the commonly known consumer brands.