How do you adust cells to the contents of one tab on excel?

I am currently mapping out a contact list on excel, and want all of the cells in numeric order based off of the contact's zip code, does anyone know how to do that?How do you adust cells to the contents of one tab on excel?
Assuming that the zip codes are in a column by themselves, select all the data. Then on the Home Tab click on Sort and Filter, Custom Sort. Select the column that you want to sort on and the order of sort and click OK. All your data will be sorted according to the column that you chose.How do you adust cells to the contents of one tab on excel?
left click on the the column head (A B or C) and then click on home and then on the right hand side click on sort and sort by ascending or descending.