Learn About ZIP Codes

Aug 15, 2025 US ZIP Code Zone Maps – 1, 2, 3 Digit & Null Coverage Detailed U.S. ZIP Code Zone maps by 1-digit, 2-digit, and 3-digit prefixes, plus areas with no ZIP Code coverage. View online, download PDFs, or use our interactive map to explore ZIP Code regions. Jun 6, 2023 How to Find Your ZIP Code: Different methods to find a ZIP Code Discover the importance of ZIP codes in our daily lives, from ensuring fast mail delivery to influencing business decisions. This guide dives into the structure of ZIP codes, methods to find them, common issues faced, and their significance beyond mailing. Learn how to find your ZIP code accurately and efficiently. Jun 3, 2023 Introduction of the Zone Improvement Plan, aka the ZIP Code When the ZIP Code system was introduced in 1963, it brought improvement in mail processing and delivery efficiency by shortening the steps required to process a piece of mail. Aug 15, 2017 What Is My ZIP Code? You can find your current ZIP Code by using the GPS Locator below (will request permission for your Location) or use the Find ZIP of Address lookup to find the ZIP Code and ZIP+4 of your current address. May 26, 2016 New Medicare CBSA Data in ZIP Code Database New Medicare CBSA data in the U.S. ZIP Code Business Database. Feb 27, 2014 The Wealthiest ZIP Codes in America The latest American Community Survey (ACS) data is now available! This survey contains the 2008-2012 5 year estimates. Based on the ACS, the list below shows the top 10 wealthiest ZIP Codes in America, along with it's primary city name. Each ZIP Code has a Median Home Value greater than $1,000,000. Click through each ZIP Feb 1, 2013 Update to Median Income per Household and Median Home Value Data We have recently updated our U.S. ZIP Code Database with the latest Median Income per Household and Median Home Value data. Please check out our databases for the most current data available at the ZIP Code level. Don't forget all the other great Census data we have to offer. You can find population totals, from the Jan 4, 2013 FTP Services Provided By Zip-Codes.com Did you know that we now offer a full set of FTP services, as well as a dedicated server, to retrieve our monthly updated ZIP Code and Postal Code Databases? It's True! Our U.S. ZIP Code Databases, U.S. ZIP + 4 Database, Canadian Postal Code Database, and Mexican Postal Code Database can be accessed via FTP. Aug 21, 2012 Why Are There 3 and 4 Digit ZIP Codes in the United States? When you open up our ZIP Code Database using MICROSOFT® EXCEL, you'll see 3 and 4 digit numbers in the ZIP Code column. U.S. ZIP Codes are always five digits long. These 3 and 4 digit numbers actually begin with one or two zeros. For example, when you see "501" for Holtsville, it's really 00501. Jun 15, 2012 Installing the Radius Finder Application Throughout the day, I receive many calls from customers who need help installing their Radius Finder Application. It can be a little confusing to some, so I wanted to show you the quickest and easiest way to get it set up. 1. Start off by logging in to your account, and then click the download button within May 12, 2012 5 ZIP Code Searches You Can Do For FREE We have a lot of information on our website. If you're anything like me, you love the idea of being able to find something for FREE. Many people don't know where to turn to for detailed, accurate ZIP Code data. ZIP-Codes.com is a licensed distributor of the U.S. Postal Service and Canada Post. You really need to