DEFree tool
ZIP Code Radius Tool
Enter a ZIP code and a radius — and find every ZIP code within the area in seconds. With count, sorted list, map and CSV export. Perfect for defining lead distribution territories.
0ZIP codes in radius
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Find ZIP codes within a radius — for clean territories
If you distribute or sell leads, you think in territories. With Leadfy's ZIP code radius tool you instantly find every ZIP code within a given radius of a location — the foundation for any geo-based lead distribution, exclusive territory or regional campaign.
How it works
- 1Enter the ZIP code of the center point (e.g. a buyer's location).
- 2Choose a radius in miles (or kilometers).
- 3Every ZIP code within the radius appears sorted by distance — as a list, on the map and as a CSV download.
What lead distributors use it for
- Define territories: Decide which ZIP codes a buyer gets exclusively or shared.
- Set up geo-routing: Use the ZIP list directly as a filter in your lead distribution.
- Check coverage: See at a glance how many ZIP codes a territory spans — and where the gaps are.
This exact geo distribution — automated.
Leadfy is the white-label software that distributes leads to your buyers by ZIP code, sells them through your own shop and handles billing. This tool shows the principle — the software does it fully automatically.
Explore LeadfyFrequently asked questions
Which ZIP codes does the tool cover?+
All ~41,000 U.S. ZIP codes. Distance is calculated as the straight-line (as-the-crow-flies) distance between ZIP code centroids.
Is the ZIP code radius tool free?+
Yes, completely free and no sign-up required. You can download the result list as a CSV right away.
How accurate is the radius calculation?+
It uses the geo-coordinates of ZIP code centroids and the Haversine formula (straight-line distance) — more than accurate enough for territory planning.
Can I reuse the ZIP code list?+
Yes. Download the list as a CSV and use it as a distribution territory in Leadfy or in your CRM.