|The United States Postal Service release updates to their databases on a monthly basis. At ZIP Code Download we are committed to providing our customers with the highest-quality data available. In order to live up to your expectations we deliver the most current releases of US ZIP code data and Canadian postal code data.|
Many assume that ZIP and postal codes remain constant with few changes. This is far from truth. The reality is that changes are made to ZIP code databases frequently. ZIP codes are mail routes, and when a mail route changes, a ZIP code changes.
The most common changes to the USPS data each month include the following:
At a minimum, we recommend that businesses update their data on a quarterly basis, but for the majority it is necessary that data is updated monthly. Please contact ZIP Code Download for information on simplifying and automating these updates.
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