Sector 815
Sector 815 was a sector mentioned in the  of the  third season episode , but not seen in the final version of the episode.

In the script, during an interrogation conducted by Commander William T. Riker aboard the , he tested the credibility of the Romulan logistics officer Setal with a ploy where he deliberately misidentified the sector he was assigned to as Sector 815. Setal, recognizing the ploy, corrected Riker by stating he was assigned to Sector 814.
Sector 00815