The standard envelope weight is the same as a First-Class Mail envelope! But what is the weight you should use for mailing your letters?| PostGrid
Every time we try to send a postal mail we end up asking ourselves “how many stamps do I need?”. Finding the correct stamps is tricky.| PostGrid
USPS Special Delivery Service is introduced to handle urgent mailpieces efficiently. It's a convenient option for mailing important items.| PostGrid
Customers send international mail via USPS every year. Worldwide mailing needs them to learn how to write international addresses correctly.| PostGrid
The ‘USPS insufficient address’ meaning is that your mailing address is incorrect or incomplete in some way and it is undeliverable.| PostGrid
The USPS first class mail costs are generally low, but they can add up if you don’t follow these requirements. Read more.| PostGrid
Find out how to address and mail a letter internationally. USPS offers the most convenient way of sending a letter out of the country.| PostGrid