Streamlit Zip Code Radius App

Problem Statement & Goal

Logistics coordinators, field sales representatives, and service technicians frequently need to identify all postal codes within a specific geographic radial perimeter around an epicenter city or distribution hub.

This application automates radius calculations, querying geographic coordinates and generating an instant Excel spreadsheet ready for routing and regional campaign distribution.

Features & Technical Highlights

• Input Parameters: Simple inputs for city name, state/region, and target radius in kilometers or miles.
• Spatial Distance Computation: Uses haversine distance modeling to evaluate proximity from the center coordinates.
• Clean Spreadsheet Export: Formats zip codes, neighborhood names, and estimated distances into structured .xlsx files with one-click download.