Dial-A-ZIP is a form of US domestic delivery address verification that can look up the ZIP+4 and correct most common addressing errors. Through the Internet, Dial-A-ZIP can verify your address against the US Postal Service list of all addresses in the USA in less than one second. This process also verifies an address, which is required, before you can print Internet Postage for your mailpiece .
For additional, basic information, see also Guidelines: Address Verification.
You can customize various aspects of using Dial-A-ZIP to suit your preferences, including:
For more information about options, see About Advanced Dial-A-ZIP Options.
About Using Address Verification
About Advanced Dial-A-ZIP Options
About Dial-A-ZIP Result Codes
Run Dial-A-ZIP for a List of Addresses
Verify One or More Addresses
Set Up DAZzle for Internet Dial-A-ZIP
Troubleshoot Address Verification
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