2021 USPS Postage Rates - SG360°

2021 USPS Postage Rates ® Effective January 24, 2021 MARKETING MAIL – NONPROFIT FLATS Entry Discount Automation1,2 Non-Automation 5-Digit 3-Digit ADC Mixed ADC 5-Digit 3-Digit ADC Mixed ADC Flats weighing 4.0 ounces or less (Per-piece price) None 0.256 0.394 0.469 0.532 0.344 0.446 0.497 0.554 DNDC 0.187 0.325 0.400 0.463 0.275 0.377 0.428 0.485 ................
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