Let’s get to a detailed analysis of the retail prices for shipping by Priority Mail and compare it to the USPS Small Flat Rate Box.įor example, if your parcel weighs exactly 1 pound, it will cost around $7.35 to ship it to Zone 1 and 2. If you are interested to know about the zones, you can visit the USPS Domestic Zone Chart and find out the zones by entering the origin and destination zip codes USPS Priority Mail vs USPS Small Flat Rate Box These zones are dynamic, as they differ based on the location you ship from. Shipping Zoneĥ0-mile radius covering the continental US, Alaska, Hawaii, and US Territories such as Puerto Rico and the Virgin Islands.įreely Associated States that are mostly based in the Pacific Ocean, such as Guam, Northern Mariana Islands, and Republic of the Marshall Islands. Here are the shipping zones as defined by USPS. When we are determining the postage rates of the following USPS domestic shipping services, we consider the weight of the shipment and the distance it travels. To understand how the shipping cost is calculated, you need to have a better understanding of USPS zones. To Conclude: USPS Priority Mail vs USPS Flat Rates.When to use the USPS Large Flat Rate Box.

USPS Priority Mail vs USPS Large Flat Rate Box.When to use the USPS Medium Flat Rate Box.USPS Priority Mail vs USPS Medium Flat Rate Box.When is USPS Small Flat Rate Box a better choice.

USPS Priority Mail vs USPS Small Flat Rate Box.

Priority large flat rate box