That was the smallest year-on-year increase since March 2021 and followed a 4.0% rise in May.
The year-on-year CPI is slowing in part as last year's large rises drop out of the calculation.
It was the first time in six months that the so-called core CPI did not post monthly gains of at least 0.4%.
Services prices rose 0.3%, matching May's gain.
Economists view the ISM services prices paid measure as a good predictor of personal consumption expenditures (PCE) inflation.
Persons:
Christopher Rupkey, Joe Biden, Chris Zaccarelli, Sarah Silbiger, Michael Gregory, Lucia Mutikani, Chizu Nomiyama, Andrea Ricci
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