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  • ZIP Code - Wikipedia
    The United States Post Office Department (USPOD) implemented postal zones for 124 large cities in May 1943 [8] Postmaster General Frank C Walker explained that many experienced postal clerks were going into the army, and the zone system would enable inexperienced clerks to sort mail without having to learn the delivery area of each city carrier
  • Domestic Zone Chart - USPS
    Enter the Zone Chart Date? Use the "Get Zone for ZIP Code Pair" tab for all inbound APO FPO DPO Copyright © 2025 USPS All Rights Reserved
  • What Are Zip Codes and USPS Zone (Explained) 2024 - PostalBoxGenie
    Postal zones are defined using the first three digits of ZIP codes to represent the distance between origin and destination points Zones range from Zone 1, covering distances of 1-50 miles, to Zone 9, which includes U S territories and some military addresses
  • Postal zone numbers (pre-zip code)? - Straight Dope
    The existence of postal zones in the larger cities, set in motion in 1943, helped to some extent, but, in cases where the old zones failed to fit within the delivery areas, new numbers had to be assigned
  • Postal ZIP Code Boundaries - About. usps. com
    The ZIP Code system is designed to provide an efficient postal distribution and delivery network ZIP Code assignments are closely linked to factors such as mail volume, delivery area size, geographic location, and topography, but not necessarily to municipal or perceived community boundaries
  • What are the Zone Charts and how can I obtain one? - USPS
    Zone charts are produced by the United States Postal Service using the centroid of each 3 digit ZIP Code area to determine the distance between origin and destination ZIP Code pairings Zone charts are updated on a quarterly basis Postage meters also use these charts to determine printed postage
  • USPS Zone Map - Pirate Ship
    Learn how Zones impact shipping costs and use an interactive map to see a what zones the rest of the country is for you when shipping with the United States Postal Service
  • What are USPS Postal Zones? - Stamps. com
    What are the USPS shipping zones? USPS has broken down the US into nine zones called Zone 1-9 These zones range from within 50 miles to 1801+ miles Each zone and the mileage it covers can be found below Zone 1: Non-local destinations within 50 miles Zone 2: Destinations within 51-150 mile radius Zone 3: Destinations within 151-300 mile radius




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