United States Zip Codes provides a free zip code map and list of zip codes by state. Find zip codes by address, zip codes by city, or zip codes by state.

For example, ZIP Code 42223 serves Fort Campbell, which spans Christian County, Kentucky, and Montgomery County, Tennessee, and ZIP Code 97635 includes portions of Lake County, Oregon, …

This is a list of ZIP Code ranges by state, so you can easily find ZIP Codes.

Jan 12, 2026 · The standard ZIP Code consists of five digits that identify a specific geographic delivery area. For instance, the code 90254 for Hermosa Beach indicates the West Coast region (9) and the …

Need to look up a ZIP Code™? Try the ZIP Code™ lookup tool on USPS.com. Note: The ZIP Code™ lookup tool will display the address in USPS standardized format. This may look different than the …

Throughout this guide, you will see a clear breakdown of zip code and postal terminology, a quick postal code example you can copy, how the coding system works inside the USPS network, and how …

Discover the meaning and types of US ZIP Codes, including standard, PO Box, unique, and military formats. Learn how ZIP+4 works and explore popular examples.

Jun 11, 2025 · Discover the meaning, structure, and origin of ZIP Codes in this complete guide to postal history and mail sorting.

Feb 1, 2026 · List of all Zip Codes for the state of Florida, FL. Includes all counties and cities in Florida.