There are eight USPS Shipping Zones for domestic shipments. These zones are based on distance from the point of origin. This means the cost of postage for a specific shipment depends solely upon how close the point of origin and the destination zones are to each other.
Using USPS Postal Zone Chart can help you understand the USPS Postal Zones. This chart will help determine the origin and destination zones for your shipment. You can read the USPS Postal Zone Charts two ways.
Understanding the USPS Postal Zones of upmost importance as if the incorrect chart is used buyers could possibly receive packages with postage due or not receive them at all as they will be returned to the point of origin for insufficient postage. It may be a bit time consuming to understand how these zones work but in the long run it is essential to understand so that buyers receive their packages with no postage due to them or have then returned to the shipper due to insufficient postage.
We at 4C Print Shop are doing our best to get this new information out to our customers and update our shipping prices to ensure that everyone gets their orders in a timely manner. We apologize for any inconvenience these updated USPS Shipping Zones may have caused any of our customers. We will continue to share any changes that may develop with our shipping prices.