Is it possible to add Ship To Customer Account in the sales order header

Summary:

Ask to have Ship To Account Number in the sales order header.

Content (required):

Business have many customers (B2C) with the same name which means selection of customer in the sales order would be more accurate with customer account number.

Also business uses Customer Relation and related customer sites (Bill To and Ship To) will be selected while creating the sales order.

Users are familiar with the account numbers and prefer to view the Ship To Account Number to make sure the correct data is selected.

Version (include the version you are using, if applicable):

R13

Code Snippet (add any code snippets that support your topic, if applicable):