Understanding ZIP+4 Codes: What are the Extra 4 Digits After the ZIP Code?

Discover how the extra 4 digits after the ZIP Code improve mail delivery accuracy.

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The extra 4 digits after a ZIP Code help to further pinpoint an exact location within a large area. This ZIP+4 code improves mail delivery accuracy by specifying a particular segment, like a building, block, or business. For instance, if your standard ZIP Code is 12345, adding the 4 digits, like 12345-6789, will facilitate more precise mail sorting and delivery.**

FAQs & Answers

  1. What is a ZIP+4 code? A ZIP+4 code consists of a standard five-digit ZIP Code followed by an additional four digits that identify a more specific location.
  2. Why are ZIP+4 codes important? They enhance the accuracy of mail delivery by allowing postal services to better sort and route mail to specific addresses.
  3. How can I find my ZIP+4 code? You can find your ZIP+4 code on USPS websites or by using ZIP Code lookup tools.
  4. Do I need to use the extra digits for mail delivery? While not mandatory, using the extra digits helps ensure your mail is delivered more accurately and quickly.