Consumer Price Index for All Urban Consumers: Telephone Services in U.S. City Average (CUUR0000SEED)

U.S. Bureau of Labor Statistics, Consumer Price Index for All Urban Consumers: Telephone Services in U.S. City Average [CUUR0000SEED], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/CUUR0000SEED, January 28, 2023.