USPS Services

USPS Certified Mail FAQ

Certified Mail is a USPS service that gives mailers an official receipt providing poof the item was mailed. After the Certified Mail document is delivered, the mail carrier requires a…
USPS Services

Priority Mail Flat Rate Best Practices

Compliance with USPS rules and regulations is an important aspect of being a successful seller and shipper. One rule to definitely keep in mind is that Priority Mail Flat Rate®…
USPS Services

Understanding USPS International Shipping Zones

Not sure what price group to use for a flat rate envelope to Switzerland?  Check out the table below to determine shipping zones for your shipments for each country. Changes…
USPS Services

How To Use USPS Triangular Tubes With Stamps.com

Items like posters, blueprints and important documents etc. will sometimes need to be rolled and packed into a triangular shipping tube.  These are a great option if you need a…
USPS Services

New USPS Tool: Priority Mail Delivery Map

Using Priority Mail, when can I now expect my package to be delivered? Now that the USPS is printing day specific delivery information on all Priority Mail shipping labels, shippers…
USPS Services

Quick Tip: Send Your Tax Return via Certified Mail

Quick Tip: Send Your Tax Return via Certified Mail™ Mailing in your tax return? Use Certified Mail to obtain proof that your tax return was accepted by the USPS®, delivered,…