# Ziplore by CyberMax

> Free US ZIP code API and MCP server: ZIP to city, county, FIPS, coordinates, time zone and Census demographics, plus radius search, city ZIPs, reverse lookup and distance. 41,682 ZIPs.

Look up any US ZIP and get one clean record: city, state, county and FIPS, coordinates, time zone with today's UTC offset, and Census demographics. Also every ZIP within N miles, every ZIP of a city, the nearest ZIP to a point and ZIP-to-ZIP distance.

## API (free, no key, CORS enabled)
- [/api/zip](https://ziplore.cybermax-tools.workers.dev/api/zip?zip=10001,90210,7102): Look up up to 10 US ZIP codes
- [/api/radius](https://ziplore.cybermax-tools.workers.dev/api/radius?zip=60614&miles=3): Every ZIP within N miles of a ZIP or point
- [/api/city](https://ziplore.cybermax-tools.workers.dev/api/city?city=Austin&state=TX): Every ZIP of a city, largest first
- [/api/nearest](https://ziplore.cybermax-tools.workers.dev/api/nearest?lat=40.7484&lon=-73.9967): Nearest ZIP to a point (reverse geocode)
- [/api/distance](https://ziplore.cybermax-tools.workers.dev/api/distance?from=10001&to=90210): Distance between two ZIPs
- GET for simple calls, POST a JSON body for lists. Same field names as the bulk version's dataset records.
- OpenAPI 3.1: https://ziplore.cybermax-tools.workers.dev/api/openapi.json

## MCP (remote, streamable HTTP, no auth)
- Endpoint: https://ziplore.cybermax-tools.workers.dev/mcp
- `zip_lookup`: City, state, county and FIPS, coordinates, time zone with UTC offset, and Census demographics (population, income, home value, rent) for up to 10 US ZIP codes. Accepts ZIP+4, addresses and ZIPs missing a leading zero.
- `zips_in_radius`: Every US ZIP within N miles (max 25) of a ZIP or a lat/lon point, closest first, with distance in miles.
- `city_zips`: All ZIP codes of a US city, largest population first.
- `nearest_zip`: Reverse geocode a latitude/longitude to the nearest US ZIP code(s), with distance.
- `zip_distance`: Great-circle distance in miles and km between two US ZIP codes.

## Limits
- 20 calls per minute per IP address.
- Up to 10 ZIPs per lookup call.
- Radius up to 25 miles, up to 50 results per call.
- Free, no key, no sign-up. The whole ZIP table lives in memory at the edge, so calls take milliseconds.

## More
- Health: https://ziplore.cybermax-tools.workers.dev/health
- All CyberMax tools: https://cybermax-tools-cybermax.static.hf.space/
- A bulk version (100 ZIPs per call, 250-mile radius) is coming to the Apify Store and RapidAPI.