|USPS Home | Postal Explorer Home|
Quick Service Guide 120
Retail Letters, Flats, and Parcels
June 7, 2010
Physical Standards (101.5.0)
Maximum weight: 70 pounds.
Maximum length and girth: 108 inches.
Prices and Fees (123.1.0)
For a complete listing of retail Priority Mail prices, see Notice 123-Price List.
Except for the Priority Mail Flat Rate Envelope and Flat Rate Boxes, Priority Mail prices are based on weight and zone.
Balloon Price: Parcels addressed for delivery to Zones 1-4 that weigh less than 20 pounds but measure more than 84 inches (but not exceeding 108 inches) in combined length and girth are charged the 20-pound price for the zone to which addressed.
Dimensional Weight Price: Postage for parcels addressed for delivery to Zones 5-8 and exceeding 1 cubic foot (1,728 cubic inches) is based on the actual weight or the dimensional weight, whichever is greater.
Priority Mail Flat Rate options offer one low price regardless how much the item weighs (up to 70 pounds) or the domestic destination. Only USPS-produced Priority Mail Flat Rate packaging is eligible for Flat Rate pricing. Priority Mail Flat Rate Envelopes, boxes, and other supplies are available at no additional cost by phone at
The following Flat Rate options are available:
Flat Rate Envelope:
Small Flat Rate Box:
Medium Flat Rate Boxes:
Large Flat Rate Box:
The Priority Mail large Flat Rate Box may be used for APO and FPO destination addresses at $2 off the regular retail price.
Pickup on Demand (507.6.0) is available regardless of the number of pieces. Only one fee includes Express Mail, Priority Mail, or Parcel Post picked up at the same time (423.1.8). Service and information is available by calling 1-800-222-1811 or at www.usps.com.
Carrier Pickup is available for free by submitting your request online at www.usps.com and having your Express Mail, Priority Mail, or international mail packages, with postage affixed, ready when your carrier arrives for your regular mail delivery.
Mailers have the option to use Express Mail or Priority Mail service for mailpieces required to be mailed as First-Class Mail. Unless Express Mail is used, Priority Mail prices are required for a mailpiece that weighs more than 13 ounces when the mailpiece contains matter that must be mailed as First-Class Mail (133.3.0). All mailable matter may be sent as Priority Mail, except matter prohibited by standards (e.g., certain hazardous materials).
Postage Payment and Documentation (124)
Retail Priority Mail postage may be paid by adhesive stamp (604.1.0), postage meter and PC Postage (604.4.0).
Mail Preparation (125)
Matter mailed in USPS-provided Priority Mail packaging is subject to Priority Mail prices regardless of how the packaging is reconfigured or how markings may be obliterated.
When sealing a Flat Rate Box or Flat Rate Envelope, the container flaps must be able to close within the normal folds. Tape may be applied to the flaps and seams to reinforce the container provided the design of the container is not enlarged by opening the sides and the container is not reconstructed in any way.
Each piece must include a complete delivery and return address with correct ZIP Code or ZIP+4 code (602.1.0).
Marking on each piece: "Priority Mail" must be placed prominently on the address side of each mailpiece.
Packages with adhesive stamps (13 ounces or less) may be deposited in collection boxes, handed to carriers, or presented at Post Offices. Packages with adhesive stamps (more than 13 ounces) must be presented at a Post Office retail counter. Packages with metered postage or PC Postage may be deposited in collection boxes or at an acceptance point designated by USPS.
Delivery: At mailer's option, uninsured mail may be left in a protected place if endorsed "Carrier-Leave If No Response" (508.1.2).