DMM Advisory | 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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October 30, 2026

International Service Resumption Notice – Effective October 30, 2026

Effective Friday, October 30, 2026, the Postal Service™ will resume acceptance for the following services destined to Argentina:

Commercial ePacket (CeP)
Priority Mail International (PMI)
First-Class Package International Service (FCPIS)
International Priority Airmail (IPA) Packets
International Priority Airmail (IPA) M-bags
Airmail M-bags

Please visit our International Service Alerts page for the most up to date information: https://about.usps.com/newsroom/service-alerts/international/?utm_source=residential&utm_medium=link&utm_campaign=res_to_intl