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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January 7, 2026

International Service Resumption Notice – effective January 9, 2026

Effective January 9, 2026, the Postal Service™ will resume acceptance of mail destined to the following:

Libya

This service resumption affects Priority Mail International^® (PMI), First-Class Mail International^® (FCMI), First-Class Package International Service^® (FCPIS), and International Priority Airmail^® (IPA) items.

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