No, it is not necessary to create an account in order to utilize the services offered by Postal Annex. Customers are typically able to access various services, such as shipping, printing, and packaging, without registering for an account. However, having an account may provide certain benefits, such as easier access to order history, tracking information, and discounts if applicable. For a more seamless experience, individuals who frequently use Postal Annex services might find it helpful to create an account, though it remains optional. To find more detailed information regarding account benefits and the specific services available, it may be beneficial to explore the current web page related to Postal Annex, which offers comprehensive details to assist customers.