Enter the desired prefix or suffix in a separate cell

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Type the formula =CONCATENATE(Cell with Prefix, Cell with Number) and press Enter.
Drag the formula down the column to apply it to the entire list.
Employ the ROW Function:
The ROW function can help you automatically generate sequential numbers.
Enter the formula =ROW() in the first cell of the list.
Drag the fill handle down to populate list of luxembourg consumer mobile number list the rest of the cells with sequential numbers.
Use the INDEX Function:
If you have a predefined list that you want to number, the INDEX function can help.
Enter the formula =INDEX(List,ROW()) in the first cell.
Drag the formula down to assign numbers to each item in the list.

Final Thoughts:

Numbering a list in Excel doesn't have to be a daunting task. With the right tools and knowledge, you can efficiently organize your data and save valuable time. By following the steps outlined above, you can quickly and easily number your lists in Excel like a pro.