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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December 22, 2021

UPDATE 213: International Mail Service Updates Related to COVID-19

On December 22, 2021, the Postal Service™ received a notification from Liechtensteinische Post, the designated postal operator of Liechtenstein, advising that the special measures implemented as a result of COVID-19 will be lifted as of December 27, 2021. From that date on, deliveries throughout Liechtenstein will take place as normal on a daily basis.

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

This service update affects Priority Mail Express International^® (PMEI), Priority Mail International^® (PMI), 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