1 Credit per Lookup

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.
  • Click “Map of Carrier Route Map” to view map and additional information.
  • Carrier Route Counts updated on 2022-12
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