First-Class Package Service offers the best rates for lightweight shipments. Retail service is provided for shipments up to 13 oz, and Commercial service is available for shipments up to 15.999 oz.
First-Class Package Service is not the same as First-Class Mail. One of the main advantages of the First-Class Package Service is that it includes tracking or delivery confirmation.
Delivery estimated 1-5 days.
This is a domestic service. Domestic mail is transported:
within, across, and between the United States.
from the United States to
U.S. territories, Marshall Islands, Federal States of Micronesia.
U.S. military and diplomatic posts, and the United Nations, NY.
First-Class Package Service rates are based on parcel weights and rate class.
Costs increase as weight increases. In addition, costs increase as the distance increases. USPS uses Zones to measure the distance a domestic shipment must travel, ranging from Zone 1 (local) to Zone 9 (very far away).
Retail pricing is offered directly from the USPS at Post Office retail locations or USPS.com. It does not include discounts on postage prices like those received via ShipWorks.
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