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I have a list of phone numbers in column D. I want to count how many of them
begin with a 917 area code excluding duplicates. I then want to subtract that result from the total number of phone numbers. I currently use the following formula just to count the number of total phone numbers excluding dupicates: =SUMPRODUCT((D2:D123<"")/COUNTIF(D2:D123,D2:D123&"")) Any suggestions on would be greatly appreciated! |
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