Producer Price Index by Commodity: Telecommunication, Cable, and Internet User Services: Other Telephone Services (DISCONTINUED) (WPU37130104)

U.S. Bureau of Labor Statistics, Producer Price Index by Commodity: Telecommunication, Cable, and Internet User Services: Other Telephone Services (DISCONTINUED) [WPU37130104], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/WPU37130104, June 24, 2022.