Home > About USPS & News > Forms & Publications > Postal Periodicals and Publications > Publications > Publication 8A - Address Change Service - Traditional

• Meeting Mailers' Important Needs
• Major Benefits of ACS
• What is Address Change Service?
• Features of Address Change Service

• Participant Code
• Barcodes
• Endorsement
• Window Envelopes
• Address Labels and Preprinted Envelopes
• Or Current Resident
• Characters
• Font and Text Size
• Keyline
• USPS Standards for Check Digit Computation

• Mailpiece Endorsements
• First-Class Mail Endorsement
• Periodicals Notification Options
• Standard Mail Endorsement
• Package Services Endorsement

• Fulfillment Record
• ACS Fulfillment File Header Record Fields
• ACS Fulfillment Record Fields

• Address Change Service Application
• Web Access Request Form
• Within 10 Days After We Receive Your Application
• Before Activation