Crossword clues for __ code 3 lettersAnswerClueNOSZip codes, area codes, etc.: Abbr.TWOStart of D.C.'s ZIP codes or area codeDNAThe "code" in Walter Isaacson's best-selling 2021 book "The Code Breaker"NEDIOC country code for an Olympic speed skating powerhouseEMSMeasurement units used in HTML codingPLUKind of code for grocery store produce: Abbr.ORDCode on a bag bound for ChicagoIRSOrg. with a complex codeCCSCode Black unitsNSAGovt. code crackerBROKind of codeCIATheir code name for Che Guevara was "AMQUACK"DITDah's opposite, in Morse codePDAIt's forbidden in many school codes, for shortBOSLogan codeLEXBlue Grass Airport's codePINCode entered on a keypadDAHWhen doubled, a Morse-code MRNACode carrierDANThe Da Vinci Code author BrownATLDelta hub's codeRNASome genetic coding, for shortZIPFive-digit code, for shortLASApt airport code of the U.S.' McCarran International AirportUPCQR code alternativeOKCWill Rogers World Airport codeSOSCommon Morse-code messageSOSMorse-code messageYULMontréal-Pierre Elliott Trudeau International Airport's codeLGAQueens codeDITCode soundDOTCoded EDNACode of life moleculeRNAStrand with codeSOSDesperate code messageHELCode letters for Finland's largest airportORDChi airport codePINATM codeDAHMorse code noisePINDebit card code, brieflyDAHMorse code soundBOSLogan's IATA codeLAWCode words?CIAIts headquarters houses the still-unsolved coded sculpture KryptosORDAirport code of the US's third-busiest airportSYDCode for Australia's Kingsford Smith AirportNSACode-cracking org.NCRCompany that introduced retail bar-code scanningNSAHush-hush U.S. code-cracking org.SYDAirport code of Qantas's main hub