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Guides  /  Shipping Zones
Guide

Shipping zones, explained.

Why distance decides your parcel cost, and how to shrink it.

Shipping zones measure the distance between where a package starts and where it ends. The higher the zone, the more you pay. Understanding zones is the key to lowering cost through where you ship from.

Model my zones
Zones at a glance
RangeZone 1 to Zone 8+
Based onOrigin-to-destination distance
Higher zoneHigher cost
LeverWhere you ship from
Zone tables are carrier and origin specific.

What shipping zones are

A zone is a band of distance from your origin ZIP to the destination ZIP. Zone 1 is local; zones climb as distance grows. Carriers price each zone differently, so the same package costs more the farther it travels.

How zones drive cost

Because rate cards are organized by zone and weight, your average zone is one of the biggest levers on your total spend. Shippers with a single coastal warehouse often pay high zones to reach the opposite coast on every order.

How to lower your zones

  • Add or relocate a distribution center closer to demand.
  • Use zone skipping: move freight in bulk closer to destination, then inject into the carrier.
  • Split inventory across regions to cut average zone.

Each of these is a network decision with real tradeoffs. Modeling them against your actual destinations shows which one pays off.

The short version: higher zones cost more, and your origin points set your zones. Placement and zone skipping are the levers.

In this guide

What are shipping zones?→ How shipping zones affect cost→ Zone skipping, explained→

Frequently asked

How are shipping zones calculated?

Zones are based on the distance between the origin ZIP and the destination ZIP, grouped into bands (Zone 1 nearby through Zone 8 and beyond). Each carrier publishes zone tables by origin.

How do I reduce my shipping zones?

Ship from locations closer to your customers, split inventory across regions, or use zone skipping. ShipScience models the cost impact of each against your real destinations.

See what your zones are costing

We model network and zone changes against your real shipments.

Model my zones Talk to our team

See what’s hiding in your shipping data.

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