There are several reasons why a business person might want to have a memorable contact number. Here are a few:

1. A memorable contact number is easy for customers to remember and makes it more likely that they will call your business. This can increase customer engagement and lead to more sales.
2. A memorable contact number can help to improve your brand image. A memorable and easy-to-remember number can make your business seem more professional and trustworthy, which can help to attract more customers.
3. A memorable contact number can make it easier for customers to contact your business in case they have any questions or concerns. This can help to improve the customer experience and make your business more responsive to customer needs.
4. A memorable contact number can help to improve your business's search engine optimization (SEO) and make it more likely that your business will appear at the top of search results. This can increase the visibility of your business and drive more traffic to your website.

In short, a memorable contact number can help to improve customer engagement, enhance your brand image, improve the customer experience, and increase the visibility of your business. This can ultimately lead to more sales and growth for your business.