Answer:

atl

AnswerCrossword Clue
ATLBay of Biscay's ocean: Abbr.
ATLHome of the Braves: Abbr.
ATLPt. of NATO
ATLPac.'s counterpart
ATLIt borders NJ
ATLWorld's busiest airport, by passenger count: Abbr.
ATLHartsfield-Jackson airport
ATLE. Coast ocean
ATLPart of NATO
ATLIt's west of Afr.
ATLPart of NATO (abbr.)
ATLCap. of Georgia
ATLOcean (abbr.)
ATLNL city
ATLPac. counterpart
ATLDelta hub's code
ATLBraves' scoreboard abbr.
ATLBraves, on scoreboards
ATLNL East city
ATLBraves, on a scoreboard
ATLBraves, on a sked
ATLU.S.-U.K. divider
ATLNL Braves
ATLSeparator of Amer. and Eur.
ATLHartsfield-Jackson airport designation
ATL'95 World Series champs
ATLPart of AST: Abbr.
ATLBahamas locale: Abbr.
ATLGa. city
ATLOuter Banks view: Abbr.
ATLPart of NATO: Abbr.
ATLTurner Field team, on scoreboards
ATLView from Nantucket: Abbr.
ATLFive-time '90s N.L. champs
ATLHawks' home: Abbr.
ATL'95 World Series champs: Abbr.
ATLChesapeake Bay outlet: Abbr.
ATLNFL's Falcons
ATLSE U.S. capital
ATLView from Acadia Natl. Park