I can't use Spreadsheet::Read as I have to input missing zip codes

You apparently misunderstood me. I wasn't saying "use Spreadsheet::Read instead of Excel::Writer::XLSX ". I was saying "use Spreadsheet::Read instead of using a manual open and a while(<FH>) loop to read the old spreadsheet in, and continue to use Excel::Writer::XLSX as the way to write your new file out".

I just brought up Text::CSV (*) because you seemed to be treating the spreadsheet you were reading as a text file, and CSV is the only pure-text spreadsheet format that I know about, so I thought maybe you were confused about file formats. Since your input file is actually named SRC185.xlsx then it is not a CSV file and you cannot use Text::CSV . (*: CSV is a text-based spreadsheet; CVS is a pharmacy chain or a version-control system that served as a precursor to SVN; VCS is the generic abbreviation for version control software; there are too many valid anagrams of that TLA.)

So in case it wasn't stated succinctly enough yet:

In reply to Re^3: Parsing error by pryrt
in thread Parsing error by MoodyDreams999

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