What Can and Cannot be Deposited in a Collection Box®?

Because of transportation security, not all mail may be placed in USPS® Collection Box receptacles.
The following exhibit explains additional restrictions on deposit of certain types of mail in collection boxes.

COLLECTION BOX CONTENTS

The following mail items are allowed in a USPS Collection Box

The following mail items are NOT allowed in a USPS Collection Box

Domestic mail (including Priority Mail Express®) weighing 13 oz. or less (including items with online postage)

Domestic stamped mail (including Priority Mail Express®) weighing over 13 oz.

Domestic mail (including Priority Mail Express®) with metered postage or PC Postage

 

Domestic Priority Mail Express® paid by United States Postal Service Corporate Account (USPSCA)

 

Domestic Business Reply Mail (BRM) – ALL

 

Priority Mail Express International® and Priority Mail International items that were prepared (completed shipping label; customs declaration form generated and data transmitted electronically; and postage paid) online.

Any international mail with a customs declaration that was not completed and submitted online, OR international mail requiring a customs declaration that bears postage stamps. 

International mail (stamped or metered) – Meeting all of the following:

  1. Weighs 13 oz. or less
  2. Does not require a customs form

International stamped or metered mail weighing over 13 oz.

Priority Mail Express International® items weighing 16 ounces or less, paid with an United States Postal Service Corporate Ac­count (USPSCA), or online postage or postage meters or information-based indicia (IBI), and bearing an electronically generated PS Form 2976-B with data transmitted electronically to USPS.

Priority Mail Express International® items that don’t have PS Form 2976-B.

PrePaid Priority Mail Flat-Rate Envelope (with postage printed directly on the envelope)

 

Official mail* (penalty by a government agency**) except for mail requiring a customs form***

 

Free Matter for the Blind – ALL

 

APO/FPO/DPO mail weighing 13 oz. or less bearing only postage stamps and not requiring a customs form

Note: Priority Mail Express to APO/FPO/DPO must bear a PS Form 2976-B, regardless of the weight, value, or contents

APO/FPO/DPO mail weighing over 13 oz. and bearing only postage stamps as postage

APO/FPO/DPO mail paid with methods other than postage stamps, weighing less than 16 ounces and not requiring a customs form

Note: Priority Mail Express to APO/FPO/DPO must bear a PS Form 2976-B, regardless of the weight, value, or contents

 

Notes:

  • *The term penalty mail refers to official mail, sent by U.S. government agencies, relating solely to the business of the U.S. government, which is authorized by law to be carried in the mail without prepayment of postage.
  • ** Government Agency = Federal, State, or Local government agency
  • ***All APO/FPO/DPO and international mail 16 oz or over must have customs forms affixed. For mail less than 16 oz. see Individual Country Listing for customs form requirements.
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