UTC Telecommunication ILEC Exchange Boundary

This dataset shows the boundaries and attributes for Telecommunication Exchange areas with the State of Washington. Created by heads-up digitizing paper tariff maps filed by UTC's regulated telecommunication companies本数据集展示了华盛顿州电信交换区域（Telecommunication Exchange areas）的边界与属性信息，其通过对UTC监管的电信企业提交存档的纸质资费地图进行目视数字化（heads-up digitizing）处理后构建而成。