Contact Us

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 (

Tracking; delivery and pickup; ZIP Codes; address changes, website; log-in accounts; retail Post Offices; ordering USPS packaging; postage stamps
Printing and paying for online shipping labels; label "didn't print" issues; refunds for unused labels

800-344-7779, option 3

Domestic insurance claims; international inquiry process
PostalPro website information


Current business account assistance; permit accounts

Business Customer Gateway

Thank You,
Postal Explorer Team