To find the correct spelling of a city name or to find a ZIP Code, visit or call 1♸00♺SK The correct apartment or suite number helps to ensure delivery to the right location.

If the address also has a directional (for instance, NW for Northwest), be sure to use it. Use a Post Office box or street address, but not both. Recipient Name Name of Organization Street Address Use stamps, a postage meter, or a PC Postage system to affix the correct amount. Place labels for extra services above the delivery address and to the right of the return address, or to the left of the postage. Print or type your address in the upper left corner on the front of the envelope. The accuracy of the address affects the speed and handling of your mail.

USPS Marketing Mail Eligibility Decision Tree.

Designing Letter and Reply Mail (PUB 25).

Flat rate shipping is ideal for those that have to ship multiple or heavier shipments. 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 flat rate shipping label