Certify Zip Code Certificate For Free

To achieve CASS2122 certification, participants must pass with a minimum score of 98.5 percent for ZIP + 4, carrier route, Five-Digit ZIP and LACSLink, 100 percent for delivery point coding, eLOT, DPV or DSF2, RDI and Perfect Address. CASS2122 certification is valid until the end of the current certification period.

NCOA helps reduce undeliverable-as-addressed mail by correcting input addresses prior to mailing. The Coding Accuracy Support System (CASS) improves the accuracy of carrier route, five-digit ZIP, ZIP+4, and delivery point codes that appear on mail pieces.

Certified Mail provides the sender with a mailing receipt and electronic verification that an article was delivered or that a delivery attempt was made.

A Certificate Of Mailing provides evidence that you sent an item when you say you did. This official record only shows the date your mail was accepted. It does not provide record of delivery, proof of mailing, or insure items against loss.May be used for domestic or international mail.

Mailers who are using carrier route sorting must update their CASS certification at least every 90 days. That means that for barcoded mailings, every address must have been verified using a CASS-certified method no more than 180 days before the mailing is delivered to USPS.

For a small list, they typically charge around $30. CASS certification is also generally included at no extra charge as part of the National Change of Address (NCOA) service, so if you are already doing NCOA, you don't need to pay anything more for CASS.

Certified Mail is a special USPS service that provides proof of mailing via a receipt to the sender. With electronic USPS Tracking, the sender is notified when the mailing was delivered or that a delivery attempt was made.