Priority Mail large flat-rate box: $21.10 (current), $21.90 (new).Priority Mail medium flat-rate box: $15.05 (current), $15.50 (new).Priority Mail small flat-rate box: $8.30 (current), $8.45 (new).First-Class Mail Flats (1 ounce): $1 (no change from current price).

First-Class Mail letters (1 ounce): 55 cents (no change from current price).

First-Class Mail domestic postcard stamps: 35 cents (current), 36 cents (new).

First-Class Mail letters (metered 1 ounce): 50 cents (current), 51 cents (new).

First-Class Mail letters (additional ounces): 15 cents (current), 20 cents (new).

Here are the current and new retail prices: Several Postal Service price changes will take effect Sunday, Jan. Flat rate shipping is ideal for those that have to ship multiple or heavier shipments.Lynell Alexander, a retail associate at Pocoshock Creek Branch in Richmond, VA, serves a customer last fall. As a general rule, we recommend using a standard shipping service to ship smaller packages, as the rate is determined purely by the size, maximum weight, and possible long distances it needs to travel. SFL Worldwide makes it easy for our users to get discounted rates for small and large flat rate box shipping and standard shipping with our intuitive rate calculator that gets quotes from some of the best carriers in the industry, such as DHL, UPS, and FedEx within seconds. Use our instant rate calculator to find a USPS Priority Mail Express standard or flat rate plan that suits your needs. Unlike Flat Rate Shipping, regular or standard shipping calculates rates based on a package’s weight, size, destination, and service to determine your shipping prices. Flat Rate Shipping, as the name suggests, offer a fixed and flat rate for all shipments, irrespective of their size or weight. Shipping methods have their own advantages and disadvantages.

Usps medium priority flat rate box