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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June 18, 2026

International Service Resumption Notice – effective June 22, 2026

Effective Monday, June 22, 2026, the Postal Service™ will resume acceptance for the following service destined to Nieu:

Priority mail Express International^® (PMEI)

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