USPS Cheat Sheet

First-Class Mail
LETTERS AND POSTCARDS
Automation
Weight Not Over (ounces)	5-Digit	AADC	Mixed AADC
1	0.545	0.593	0.622
2	0.545	0.993	0.622
3	0.545	0.993	0.622
3.5	0.545	0.993	0.622
Postcard	0.384	0.406	0.419

USPS Marketing Mail Letters
CARRIER ROUTE AND AUTOMATION
3.5 OZ or less	Carrier Route				Automation
Entry Point	Saturation	High Density +	High Density	Basic	5-Digit	AADC	Mixed AADC
None	0.237	0.254	0.338	0.610	0.345	0.380	0.402
DNDC	0.213	0.240	0.314	0.586	0.321	0.356	0.378
DSCF	0.210	0.219	0.261	0.338	0.421	—	—

USPS Marketing Mail Flats
Commercial
Carrier Route					Automation
Entry Point	Saturation	EDDM	High Density +	High Density	Basic	5-Digit	3-Digit	ADC	Mixed ADC
None	0.299	0.300	0.342	0.419	0.502	0.687	0.864	0.971	1.041
DNDC	0.233	0.234	0.276	0.353	0.436	0.621	0.798	0.905	0.975
DSCF	0.229	0.230	0.272	0.349	0.432	0.617	0.794	0.901	—
DDU	0.218	0.219	0.261	0.338	0.421	—	—	—	—