Other crossword clues for answer "ZIPCODES"ZIPCODESThey're at states' rightsMail numbersThey gained four digits in 1983Schenectady's 12345 et al.Routing aidsThey're written on states' rightsCertain numbers.Numbers in the mailbag.Delivery aidsNumbers of placesNumbers needed for lettersLetter numbersNumbers after HI and OH, e.g.Bulk mail requirement20001 and 20011