pnf is a command line tool for formatting phone number
npm install -g pnfecho 364515012 | pnf
echo "364515012
364515012" | pnf
$ +33364515012
$ +33364515012
echo 364515012 | pnf --international
$ +33 3 64 51 50 12
echo 13602092771 | pnf --lang=US --international
$ +1 360-209-2771
cat fileWithNumbers | pnf
$ ...