Address verification is a key component of USPS postal delivery. This system checks individual addresses against a database of USPS zip codes. This database is comprehensive, and includes street names, congressional districts, carrier route codes, and ZIP codes. It's crucial to improving postal delivery service. However, it's not the only reason to use address verification services.
Address verification services differ from each other in terms of ease of use, uptime, and tech support. Some are better than others, and all have their own strengths. In this article, we'll look at a few of the top providers. The USPS's address verification API has the most up-to-date data, Melissa's offers extensive supplemental information, and Smarty is among the fastest and most thorough address validation services.
The USPS addresses database is available through official web forms and APIs. Third-party providers also have access to this data, and they must follow strict agreements to be CASS Certified. This way, they can help you enrich USPS address data. This is a great way to improve address delivery and reduce costs.
Address validation by the USPS ensures that the address is legitimate and available for delivery. The address is checked against the full list of valid addresses in the Address Management System. The system also considers such factors as renumbering through the USPS Locatable Address Conversion System and whether the address is complete and accurate. If the address is not correct, an acceptable alternative is used. This makes address validation a good solution for real-time applications. The USPS Address Validation API is updated on a daily basis and returns key delivery intelligence indicators.
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