ILEC: switched access line telephone service connections by customer 2012

This graph shows the number of switched access line telephone service connections held by residents and businesses through incumbent local exchange carriers (ILECs) in the United States. As of June 2012, residential customers held more than 50.16 million switched access line connections through ILEC.

本图展示了美国居民和企业通过固网本地交换运营商（ILECs）所持有的切换接入线路电话服务连接数量。截至2012年6月，住宅客户通过ILECs持有超过5016万条切换接入线路连接。