The State Department declined to comment on the specifics of visa cases and referred further questions to the Russian Embassy.
Naryshkin and Korobov are among several Russian officials barred from entering the US under existing sanctions.
Naryshkin's visit has raised questions from Democrats and other observers about why the spy chief was allowed to enter the US amid heightened tensions with Russia.
The visit also occurred before President Donald Trump's administration on Monday decided not to impose new sanctions on Russia for its election meddling.
The GRU was found to be the primary Russian intelligence agency responsible for interfering in the 2016 US election.
Heather Nauert, a State Department spokeswoman, said the law had already deterred Russian defense sales.
Carle said there were "legitimate, plausible reasons" the three Russian spy chiefs were admitted into the US, but that there were "political and other reasons why none of it may be acceptable.". »