We make it simple. Enter an address and receive the ZIP+4code. Here you will find ZIPCode frequently asked questions. Check online and get the answers quickly. Find publications and guides to assist you in managing your addresses. Retrieve information on Postal abbreviations quickly and easily.
Our database of 45 million 9-digit ZIP+4 Codes is organized into separate websites for each of the 50 states and the District of Columbia. You can find more information such as ZIPCodes, ZIP+4Codes, and city and county details.
ZIPcodes near me are shown on the map above. Some still refer to ZIP codes as US postal codes. The term ZIP stands for Zone Improvement Plan. The basic 5-digit format was first introduced in 1963 and later extended to add an additional 4 digits after a dash to form a ZIP+4 code.