Mailers are about to get socked with another postal increase. But this time the hit will depend on how accurate their lists are and how much they’re willing to pay to get them that way.
In August, like it or not, the U.S. Postal Service will release CASS Cycle L, the latest version of its Coding Accuracy Support Software. It will require, among other things, that mailing lists have numbered addresses to qualify for ZIP+4 discounts, according to Bob Gillen, industry strategist at Acxiom.
CASS software standardizes addresses to meet USPS criteria. Under the current CASS Cycle K, mailing lists only need to have the correct block number for an address
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