August 1, 2019
Zone Change Details:

• ZIP Code 099 has been added as both an Origin and a Destination.
• The Priority Mail International to Canada zone conversion file has been updated due to origin 099 being activated. Changes have been made to the following origins in addition to adding origin 099:
  • Origin 546 changed from zone 3 to 4 for all Canada destination postal codes
  • Origins 636 – 639 changed from zone 4 to 3 for all Canada destination postal codes
  • Origins 829 – 832 changed from zone 5 to 4 for all Canada destination postal codes
  • Origin 834 changed from zone 5 to 4 for all Canada destination postal codes
  • Origins 967 – 969 changed from zone 8 to 1 for all Canada destination postal codes
• The Zip/Zone data was updated for military origin exceptions as defined by the USPS.

June 23, 2019

First-Class Mail International^®

• First Class Mail International - Large Envelope (Flat) will no longer support mail pieces over 15.994 oz. This change eliminates the need for customs declaration forms with FCMI.

Dimensional (DIM) Weight Pricing Changes:

• DIM weight pricing has been added to Priority Mail zones Local and 1-4. It formerly only applied to zones 5 through 9; it now applies to all zones Local and 1 through 9.
• DIM weight pricing has been added to Priority Mail Express^® - All zones. Formerly, Priority Mail Express did not have dimensional weight.
• DIM weight pricing has been added to Parcel Select - All zones. Formerly, Parcel Select did not have dimensional weight.
  Note: DIM weight changes will not affect the current oversize pricing for Parcel Select, which will still apply.
• DIM weight divisor has been reduced from 194 to 166. This will increase the calculated dimensional weight and price for packages that qualify for dimensional weight pricing.
• For more information: 2019 Dimensional Weight Pricing Changes.
   

January 27, 2019
USPS^® pricing updates for First-Class Mail and Shipping Services

• First-Class Mail^® Forever^® stamp from 50 cents to 55 cents
• First-Class Metered Letters from 47 cents to 50 cents
  5¢ savings over stamps
• Additional ounces for First-Class letters decreases from 21¢ to 15¢
• View details at Rate Change Central.

Helpful information:

 Printable Rate Chart - USPS Summary of Rates & Pricing - January 2019 

USPS^® Service Alerts
Stay informed about postage mailing disruptions or suspension to domestic and/or international mail due to weather or natural disasters and events: USPS Service Alerts.