postal service charges for shipping

postal service charges for shipping depend on factors such as the weight, size, and destination of the package. The USPS offers a variety of shipping options, including First-Class, Priority Mail, and Express Mail, each with different pricing tiers. Charges can also vary based on the service level selected, with faster services like Priority and Express typically costing more. Understanding the USPS shipping charge structure helps businesses plan their shipping budgets and choose the most cost-effective option for their needs.