Postal Regulations / References

Postal Regulations/Standards

The following documents include important information about Postal Regulations and mailbox design standards:

UNITED STATES

STD-4C USPS Specification Overview

STD-4C Federal Register Rules and Regulations

STD-4B USPS Standards (superseded by STD-4C)

CANADA

Canada Post Mailbox Regulations

Canada Post Delivery Planning Standards

 

USPS Approved Products

The following documents include lists of USPS Approved products and their manufacturers:

Postal Bulletin - May 2013 (full document)

          USPS Approved Mailbox Products 2013-2014(all)

                    USPS Approved Cluster Box Unit Products 2013 - 2014

                    USPS Approved Std-4C Mailbox Products 2013 - 2014

                    USPS Approved Horizontal Mailbox Products 2013-2014

USPS Approved Mail Receptacles List

 

Postal References

The following documents include additional Postal References for USPS Delivery:

STD-4C Accessibility Guide

STD-4C Quick Reference

STD-4B+ and STD-4C Selection Guide

 

Postal Locator

The following US Postal Service website will aide in searching for local postal authorities:

USPS Locator

Search

 

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• Directories
• Key Keepers
• Chimes
• Parts
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