Starbase 310

Starbase 310 was a Starfleet facility located near the Federation-Cardassian border.

In 2370, the USS Enterprise-D picked up Cadet Wesley Crusher and Admiral Alynna Nechayev at Starbase 310. (TNG episode: "Journey's End")

In 2373, DTI agents Dulmer and Lucsly traveled from Earth to Starbase 310, where they then boarded the USS Lakota. (TNG short story: "Gods, Fate, and Fractals")