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Enter a ZIP Code ™ to see the cities it covers. Find Cities by ZIP. Enter a street address along with city and state OR enter a street address and ZIP Code. result does not confirm that a person or company is at that address.
Centroid, distance and smaller radius distance files are available for the following years for easier access. Each link has a the full distance file in csv, dta, and sas format, as well as folder containing similar files centroid data and 5, 25, 100, and 500 mile radius.
USPS Tracking. Tracking FAQs. Track Packages. Anytime, Anywhere. Get the free Informed Delivery ® feature to receive automated notifications on your packages.
Find the ZIP Code and address information for any U.S. location with the USPS search tool. Enter an address or city and state to get the most accurate results.
Calculate the distance between two U.S. or Canadian ZIP codes. Distance Calculator from ZIP Code; Distance Calculator to ZIP Code
Enter a 5-Digit ZIP Code. Use the Carrier Route Map lookup to search a ZIP Code and see the USPS carrier route maps with boundaries displayed along with additional information such as number of deliverable addresses, types of routes and more. View a list of carrier routes within a given ZIP Code. Select route number of interest.
The ZIP Code lookup finds valid ZIP Codes for a City and State. The City/State lookup provides the valid cities and states for a provided ZIP Code. The Address Standardization API validates and standardizes USPS domestic addresses, city and state names, and ZIP Codes in accordance with USPS addressing standards.
