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Unlike the United States Postal Service®, some shipping companies charge a higher price for delivery to a residence. If you are shipping to residences, you may lower costs by shipping with the Postal Service™ and avoid residential delivery surcharges.
Residential Delivery Indicator (RDI™)-enabled software helps you make informed shipping decisions by identifying whether a delivery type is classified as residential or business. The RDI™ data product licensed by the Postal Service works with certified Coding Accuracy Support System (CASS™) software to verify delivery type status.
Get started with RDI delivery type indicator by contacting a Certified Vendor. Or find out how to license RDI delivery type indicator for use with your own certified CASS™ software by contacting the National Customer Support Center at (800) 238-3150.
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Goodbye costly residential surcharges!
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Now there's a low cost solution for avoiding costly residential surcharges.
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RDI Certified Vendors
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Check out a current list of certified RDI vendors.
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