Disclaimer: These links take you to outside of the ECSI site. ECSI is not responsible for the content or accuracy of the information presented on other sites.

Software:

Want to correct address information? Sort and code your mail for a postage discount? These applications will do just that.

• Mailer's Software
• PostalSoft
• Group 1 Software
• BMW Plus

Postal and Government:

These links take you to government sites and other sites related to postal topics.

• United States Postal Service main site
• USPS Zip+4 find the Zip+4 for an address
• USPS Rapid Information Bulletin Board System
• USPS Publications on-line (some require Acrobat reader)
• Postal Rates Commission
• Postal News

Other Resources:

If you're really interested in bulk mailing, here are some links you may find of interest. Some give regular news updates on government regulations, bills, rate changes, etc.

• United States Code Title 39 Postal Service
• Mailingstuff.com Their motto: "everything to do with mail".

People Finders:

So you found an address that cannot be corrected. Maybe you can find the correct information using one of these people finders.

• The Ultimates White Pages Search Yahoo, WhoWhere, Switchboard, Four11, Infospace, Wordpages all from one site. Reverse searches (by phone number) are also available.
• Bigfoot.
• Yahoo! People Search.
• AnyWho Directories by AT&T Labs (search AT&T white pages).
• Switchboard.
• Canada 411 Canadian postal codes and addresses