ZIP Code Radius Finder

Find all ZIP codes within a specified distance from any US postal code.

14 ZIP Codes within 25 miles of 78663

Center: Round Mountain, TX

ZIP Code City State Distance Action
78657 Horseshoe Bay TX 9.1 mi View
78636 Johnson City TX 9.6 mi View
78669 Spicewood TX 10.8 mi View
78654 Marble Falls TX 12.3 mi View
78620 Dripping Springs TX 17.0 mi View
78639 Kingsland TX 18.8 mi View
78635 Hye TX 20.1 mi View
78645 Leander TX 20.5 mi View
78738 Austin TX 20.6 mi View
78734 Austin TX 21.9 mi View
78675 Willow City TX 23.7 mi View
78606 Blanco TX 24.0 mi View
78671 Stonewall TX 24.1 mi View
78736 Austin TX 24.5 mi View

How to Use the ZIP Code Radius Finder

Enter any US ZIP code and select a radius in miles to find all postal codes within that distance. This tool uses the Haversine formula to calculate accurate distances between ZIP code centroids.

Common Use Cases

  • Marketing campaigns: Target customers within a specific radius
  • Delivery zones: Define service areas for businesses
  • Real estate: Find properties in nearby ZIP codes
  • Demographic analysis: Study populations within a radius