History of the Cost for 1st Class Postage Stamps Over The Years | Postage Meter Rental
The Cost of a Stamp Just Went Up Again - The New York Times
USPS First Class Postage 7% Increase
Priority Mail Flat Rate® Medium Box - 1 | USPS.com
New USPS rule for First-Class Mail International Flats - Online Shipping Blog | Endicia
INtelligent Direct: What You Need to Know Now About Postal Rates - Infinity Direct Blog
USPS Rate Update July 9, 2023
USPS Announces 2018 Postage Rate Increase - Stamps.com Blog
USPS 6.5% RATE HIKE EFFECTIVE JULY 10; VOLUME MAILERS HIT HARD; PRC TO REVIEW – Official Mail Guide (OMG)
What is the USPS First Class Package Size? – PostPony Blog
Frequently Asked Questions
A Look at the January 21, 2018 USPS Rate Increase: How Will It Impact Your Budget?
January 24, 2021 USPS Rate Increase: See How It Will Impact Your Budget Mailing Systems Technology
How Our Postal Rates Measure Up to Other Countries – Mother Jones
First Class Postage Explained - Postalytics
USPS 2021 Price Increase & Impact on Shippers - PARCEL Industry
Current USPS Postage Rate Charts - simple tables
USPS Postage Rate Increase Starts January 27, 2019 - ShipWorks
Postage Rate Updates for 2023 - PrimeNet Direct Marketing Solutions
Three-cent boost for the first-class stamp rate Aug. 29
Free: USPS First Class Mail International Rate Guide - Stamps.com Blog
January 24, 2021 USPS Rate Increase: See How It Will Impact Your Budget Mailing Systems Technology
