convert phone format

[Rusty]

I need to convert my data base list of phone numbers after exporting them to
excel. they land in the following format 123-456-7891. I need a formula that
will add a "1" to the front and carry the balance without the "-". The result
need to be a string that looks like this 11234567891. Is this possible?

 

[Jacob Skaria]

With your number in cell A1 try the below formula

="1" & SUBSTITUTE(A1,"-",)

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[Rusty]

Comes close, but I need all "-" removed?

 

[Jacob Skaria]

The - must be a custom format.

Select the cells>Right click>Format Cells>select Custom>and type #

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