Usps Carrier Route Maps. The Only USPS CASS CERTIFICATION Compatible Source for ZIP Codes and Carrier Routes. This data contains postal carrier routes which are the group of addresses to which the USPS assigns the same code to aid in mail delivery.
They are much smaller than ZIP Codes, with roughly Data is updated quarterly and include many variables from the USPS Carrier Route statistics.
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.
No need for other tracking website anymore! See if USPS Tracking is down or having service issues today. This data contains postal carrier routes which are the group of addresses to which the USPS assigns the same code to aid in mail delivery.