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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.

Thank you for contacting Postal Explorer, the USPS resource for domestic and international mailing requirements and prices.

The information you are seeking may fall outside the scope of Postal Explorer; therefore, we are providing additional contact information so you can send your inquiry to the proper department.

Available For	Contact
Domestic and international mailing requirements; prices and eligibility, mail preparation, rate calculators; HAZMAT, business sales contacts; Postal Explorer website	Postal Explorer (pe.usps.com) postalexplorer@usps.gov
Tracking; delivery and pickup; ZIP Codes; address changes, USPS.com website; log-in accounts; retail Post Offices; ordering USPS packaging; postage stamps	USPS.com
Printing and paying for online shipping labels; label "didn't print" issues; refunds for unused labels	Click-N-Ship 800-344-7779, option 3
Domestic insurance claims; international inquiry process	www.usps.com/help/claims.htm
PostalPro website information	800-238-3150 PostalProSupport@usps.gov
PostalOne! Current business account assistance; permit accounts	Business Customer Gateway www.usps.com/postalone/contact.htm

Thank You,
Postal Explorer Team