First-Class Mail
First-Class Mail® is a
fast and affordable service for envelopes and packages weighing up to 13
oz. Delivery is in 3 days or less. It’s perfect for personal
correspondence, bills, and light merchandise.
Features
- Delivery within 3 days in most cases
- Our best priced service for mail up to 13 oz
- Can be combined with extra services to confirm delivery
Download Pricing File
First-Class Mail - Retail
First-Class Mail - Retail
Still Have Questions?
Postcards
- Must be rectangular.
- Minimum size of 5" long x 3 1/2" high x 0.007” thick.
- Maximum size is 6" long x 4 1/4" high x 0.016” thick.
- Postcards over 6" long x 4 1/4" high x 0.016" thick will be charged as a letter or large envelope, depending on size.
- Must be rectangular.
- Minimum size is 5" long x 3 1/2" high x 0.007” thick.
- Maximum size of 11 1/2" long x 6 1/8" high x 1/4” thick.
- Maximum weight is 3.5 oz.
- A letter will be charged a nonmachinable surcharge if it’s a square letter 5" x 5" or larger, it doesn’t bend easily, has clasps or similar closure devices, has an address parallel to the shorter dimension of the letter, is lumpy, or the length divided by height is less than 1.3 or more than 2.5.
- Most hazardous materials cannot be shipped.
What’s considered hazardous?
- Must be rectangular.
- Minimum size is either more than 11 1/2″ long x 6 1/8″ high OR 1/4″ thick.
- Maximum size is 15″ long x 12" high x 3/4” thick.
- Maximum weight of 13 oz.
- Large envelopes that exceed these dimensions will be charged package rates.
- Most hazardous materials cannot be shipped.
What’s considered hazardous?
- Maximum weight of 13 oz.
- Up to 108″ in combined length and girth.
- Most hazardous materials cannot be shipped.
What’s considered hazardous? - With few exceptions, cigarettes and smokeless tobacco shipments cannot be mailed.
See tobacco restrictions and guidelines ›
