US Postal Service
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Business Mail 101
A tool for beginning or infrequent mailers.
Zip Lookup
Addressing Standards
Quick Service Guides
RETAIL Domestic and International Rate Calculator
Business Rate Calculator
Estimate domestic postage for all volume discount mail, including Presorted
First-Class Mail, Priority Mail, Standard Mail, and Package Services. *
Select the type of service for your mailing needs; enter size, shape, weight, and ZIP Code™ information.
*This is for estimating purposes only. Mail must meet specific postal regulations regarding destination, density, preparation and physical standards to qualify for discounts. Call us for any assistance or clarification.