How to Read a ZIP+4 Code: Understanding Postal Codes

Learn how to read a ZIP+4 code for precise mail delivery. Understand the breakdown of the five and four-digit components.

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Reading a ZIP+4 code: The first five digits represent the standard ZIP code, indicating the primary delivery area. The additional four digits narrow down the location further, such as a specific building or a P.O. Box. For example, in 12345-6789, 12345 is the ZIP code, and 6789 provides more precise delivery details within that area.

FAQs & Answers

  1. What is a ZIP+4 code? A ZIP+4 code is an extended version of a standard ZIP code, consisting of five digits followed by a hyphen and four additional digits for more precise delivery.
  2. How do I find a ZIP+4 code for my address? You can find your ZIP+4 code by using the USPS ZIP code lookup tool on their website, where you enter your address for more details.
  3. Why are ZIP+4 codes important? ZIP+4 codes are essential for enhancing mail delivery accuracy, as they help postal services identify specific locations within larger areas.
  4. Can ZIP+4 codes change over time? Yes, ZIP+4 codes can change due to postal route adjustments or changes in local delivery areas, so it’s a good idea to verify them periodically.

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