United States Postal Service Mail Guide

• Complete Mail Guide (PDF Version)

USPS Domestic Mail

• First Class Mail
• Priority Mail
• Express Mail
• Periodical Rate Mail
• Standard Mail
• Other Types of Mail

USPS International Mail

• Categories
• International 1st Class
• Printed Matter
• Parcel Post
• Global Priority

USPS Special Services Mail (Domestic)

• Domestic Certified Mail
• Registered Mail
• Comparison: Certified vs Registered
• Insured Mail
• Return Receipt
• Delivery Confirmation
• Signature Confirmation

USPS Special Services Mail (International)

• Parcel Post Insurance
• Recorded Delivery
• Registered Mail
• Return Receipt
• Restricted Delivery