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 additional information or to order any address information products or services, contact the National Customer Support Center as indicated below:

• ACS — Address Change Service
• Address List Correction Service
• Address List Sequencing Service
• ADVANCE
• AEC — Address Element Correction
• ALMS — Address List Management System
• Barcoding and Address Standardization
• CASS — Coding Accuracy Support System
• CDS — Computerized Delivery Sequence File
• City State File
• CRIS — Carrier Route Information System File
• Delivery Sequence File
• Delivery Statistics File
• Drop Ship Address and ZIP Carrier File
• FASTforwardSM
• Five–Digit ZIP Code™ File
• LACS — Locatable Address Conversion System
• National Five–Digit ZIP Code and Post Office Directory
• National ZIP+4 Code Printer State Directories
• NCOA — National Change of Address
• NDI — National Deliverability Index
• PAVE — Presort Accuracy Validation and Evaluation
• POSTNET Barcode Certification
• RIBBS — Rapid Information Bulletin Board System
• TIGER/ZIP FILE
• Z4CHANGE
• ZIP+4 State Directory CD–ROM
• ZIPMOVE

CUSTOMER SUPPORT DEPARTMENT
NATIONAL CUSTOMER SUPPORT CENTER
UNITED STATES POSTAL SERVICE
225 N HUMPHREYS BLVD STE 501
MEMPHIS TN 38188–1001

Telephone: 1–800–238–3150