DMM Advisory | Postal Explorer

Postal Explorer

The Postal Service is reminding customers that metallic mercury and devices containing metallic mercury are always prohibited in the mail stream. This includes antique items such as thermometers, barometers, blood pressure monitors and similar devices.

Pricing & Classification DMM Advisory

Message board to keep postal customers informed of changes to mailing standards, services, and prices.

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June 22, 2022

UPDATE 241: International Mail Service Updates Related to COVID-19

On June 22, 2022, Macao Post, the designated operator of Macao, provided notification that Macao has now been assessed as being at extremely high risk of a community outbreak of COVID-19. To prevent the spread of the coronavirus, the Macao Special Administrative Region has declared a state of immediate prevention. As a result, deliveries of letter-post items is suspended until further notice.

Unless otherwise noted, service updates to a particular country do not affect delivery of military and diplomatic mail.

This service update affects First-Class Mail International^® (FCMI), First-Class Package International Service^® (FCPIS^®), International Priority Airmail^® (IPA^®), International Surface Air Lift^® (ISAL^®), and M-Bag^® items.

The DMM Advisory will continue to provide updates as they are received. For a full list of international service disruptions, please visit https://about.usps.com/newsroom/service-alerts/international/welcome.htm