13 Address Information Systems Products and Services

The Postal Service offers a wide range of products and services to help mailers improve and maintain address quality. The products and services listed below can lower production and postage costs by reducing undeliverable–as–addressed mail and by qualifying more mailpieces for postage discounts.

For information about address information products or services, go to PostalPro at https://postalpro.usps.com or contact the National Customer Support Center (NCSC) through the contact information available after the following list:

• ACS.
• AEC – Address Element Correction.
• CASS – Coding Accuracy Support System.
• CDS – Computerized Delivery Sequence.
• City State Product.
• Carrier Route Product.
• Delivery Statistics File.
• DPV – Delivery Point Validation.
• EAS – Electronic Address Sequencing.
• eLOT – Enhanced Line of Travel.
• eVS – Electronic Verification System.
• FAST – Facility Access and Shipment.
• Five Digit ZIP Product.
• Intelligent Mail Barcode Certification.
• Link Products:
• ANK^Link.
• LACS^Link — Locatable Address Conversion System.
• Suite^Link.
• NCOA^Link — National Change of Address.
• MASS – Multiline Accuracy Support System.
• PAVE – Presort Accuracy Validation and Evaluation.
• PostalPro.
• RDI – Residential Delivery Indicator.
• Z4Change Product.
• ZIP+4 Product.
• ZIPMove Product.

Use the following contact information for the NCSC:

CUSTOMER SUPPORT DEPARTMENT
NATIONAL CUSTOMER SUPPORT CENTER
UNITED STATES POSTAL SERVICE
225 N Humphreys Blvd Ste 501
MEMPHIS TN 38188–1001

Telephone: 800–238–3150