Crossword clues for Postal letters 3 letters:RFDOld postal lettersRFDPostal lettersUSALetters on Postal Service stampsRFDPostal Service lettersUSALetters on all new Postal Service stampsONENumber of states whose last two letters are its own postal abbreviationISRCountry whose postal service has a special "Letters to God" dept.SNAILMAILPostal letters, colloquiallyENCLPostal letters?MAILPostal lettersSNAILMAILPostal letters, deprecatinglyNIXIEUndeliverable letter, to postal employeesALASWord that can be formed by taking a state name and subtracting the two letters of its postal codeNIXIEUndeliverable letter, to a postal workerALBANYCapital whose last two letters are its state's postal abbreviationHILOCity whose first two letters are its state's postal abbreviation