Google Spreadsheet Vlookup for entire column with arrayformula

Question:

( by notacare01 )

Hello, I'm trying to have my spread sheet automatically input the time zone of the area code in column A

here is the screenshot of my spreadsheet:

Solution:

To auto calculate for the entire column B, put the following formula in Cell B1:

=arrayformula(if(row(A:A)=1;"Timezone";iferror(VLOOKUP(A:A;$F$2:$G$48;{2}*SIGN(ROW(A:A));false))))

Have a look at the following screenshot:

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