USA Telephone Area Code Boundaries
收藏Colorado Geospatial Portal2026-05-16 收录
下载链接：
https://geodata.colorado.gov/datasets/esri::usa-telephone-area-code-boundaries-1
下载链接
链接失效反馈官方服务：
资源简介：
U.S. Telephone Area Code Boundaries provides the telephone area code boundaries of the United States for use in telecommunications analysis. They are also known as Numbering Plan Areas (NPA).
提供机构：
Esri
