USPS Resources

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Postal Customer Council (PCC) Chapters Resource Guide
Find the address of your local PCC group and contact information for the postmaster, manager, or officer in charge.
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Quick Service Guide for Mail Standards Resource Guide
The Quick Service Guide is a reference for basic mailing standards.
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Business Mail Acceptance (BMA) Resource Guide
The Business Mail Acceptance (BMA) website is a resource for business mailers.
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Guide to the Mailer Scorecard Resource Guide
The Mailer Scorecard is a mail quality tool that displays a monthly results dashboard for letter and flat mailings.
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Domestic Mail Manual (DMM) Resource Guide
The Domestic Mail Manual is a detailed reference guide containing policies and prices of the United States Postal Service (USPS(r)).
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Official USPS® ZIP Code Lookup Tool Resource Guide
Find a correct ZIP+4 Code by entering an address at this USPS(r) website.
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