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US ZIP codes were created by the USPS for mail delivery. This means that they don't always cover a continuous geographical area. What's convenient for delivery purposes (e.g. delivering on one side of the street except for large businesses) doesn't always lend itself to mapping or statisti...
If you feel a ZIP Code is valid but not listed on our database, you can use the free USPS "Lookup a ZIP Code" to check for yourself athttps://tools.usps.com/zip-code-lookup.htm?citybyzipcode. If the USPS reports it as invalid and you believe this is an error, please contact us...
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