Crossword clues for No. with an area code 3 lettersAnswerClueNOSZip codes, area codes, etc.: Abbr.TWOStart of D.C.'s ZIP codes or area codeFLAWhere area code 813 is: Abbr.NOSPts. of area codesCCIHoboken's area code, in ancient Rome (I realize this clue is preposterous, laugh with/at me)ONEDigit before an area codeCCINew Jersey area code, in ancient Rome (oh, did you want to do Roman numeral math? That's what I thought)ONENumber dialed before an area codeTWOFirst or last digit of D.C.'s area codeONEArea code lead-inTELAbbr. before an area codeIDAArea code 208: Abbr.NOSArea codes, e.g. (abbr.)TELNo. with an area codeTWOFirst and last digit in a Manhattan area codeTELNo. starting with an area codeONEArea-code precederSFOBay Area baggage codeSFOBay Area airport codeUTAHArea code 801 areaNUMERALSArea codes, zip codes, etc.EXTSThey're way after area codes: abbr.UTAHArea-code 801 stateUTAHANSArea code 801 residentsALASKAArea code 907DIGITArea code componentIOWANSPeople with 319 area codes, perhapsIOWANPerson with a 319 area code, for exampleGEOMWhere to learn an area code?: Abbr.INPATNERHESESLike area codes, oftenCCCVMiami area code, to a time-traveling Roman emperorUTAHNOne with an 801 area codeNDAKIts area code is 701: Abbr.UTAHArea code 801OKLAIts area code is 405 (abbr.)LOCALCALLIt doesn't need the area codeIDAHOIts only area code is 208OHIOState with area codes 216, 440, and 614LOCALCALLIt might not require use of an area codeERRSEnters the wrong area code, sayTEXASState with 20 area codesINTEGERAny area codeIDAHOState with just two area codesIDAHOState with one area code until 2017ALASKAIts area code is 907IDAHOIts area code is 208IDAHOArea code 208UTAHArea code 801 localeUTAHNOne with an 801 area code: Var.LOCALKind of call that didn't used to need an area code