BT: Volume of exchange line numbers in the UK 2012-2023, by quarter

In the third quarter of 2023, there were nearly 10 million exchange line numbers subscribed to British Telecommunications (BT) in the United Kingdom. Exchange line numbers refer to the total count of active telephone connections within a specific exchange area. These lines connect directly to a telephone exchange or central office, allowing communication between subscribers in different areas.

于2023年第三季度，英国电信公司（BT）在英国的交换线路号码订阅量接近一千万。交换线路号码是指特定交换区域内所有活跃电话连接的总数。这些线路直接连接至电话交换站或中心局，从而实现不同区域间用户的通信。