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The Electronic Verification System (eVS) enables parcel mailers to submit documentation and pay postage by transmitting electronic manifest files to the eVS database, which is part of the PostalOne! system. Because eVS integrates with other systems and business processes for data collection and performance measurement, eVS makes it easy for customers to prepare and induct parcel

mailings, streamlining their internal business processes as well as those with the Postal Service.

Contact Information:

  • eVS
  • Phone: 877-264-9693
  • Email: eVS@usps.gov
  • Page updated: 03/04/2014

Important Updates

Standard Mail DSCF Load Leveling Final Rule Published in the Federal Register

The Postal Service has released its Federal Register final rule revising the service standards for Standard Mail that is eligible for Destination Sectional Center Facility (DSCF) rates. These changes will allow a more balanced distribution of DSCF Standard Mail across delivery days. With its new rules, USPS is extending delivery expectation to four days for mail entered on Friday and Saturday. National Implementation began April 10, 2014.


January 2014 Price Change Fact Sheets


Getting Started with Full-Service Intelligent Mail


PostalOne! Contingency Plan

For mailers unable to submit electronic information, click here for the PostalOne! Contingency Plan.











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