Int B3 Fn 7A  - Zipkey - Fetch An Entry From A Previous Lookup             [U]

   AH = 7Ah
   BL = case number (0 to one less than value returned in BH by lookup)

Return: AL = ZIPKEY state code
   DX = zipcode region (0-999)
   CL = last two digits of first zipcode in the range (0-99)
   CH = last two digits of last zipcode in the range (0-99)

See Also: AH=78h,AH=79h