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Ziplore: US ZIP Code API (county, time zone, demographics, radius)

io.github.shawmena-dotcom/zip-data-api

Ziplore: US ZIP to county, FIPS, time zone, Census demographics; radius and city ZIPs. Free, no key.

Yes, your AI can use this right now.Answered a live MCP handshake in 76 ms with no sign-in needed and exposes 5 tools.

Connect it

Settings → Connectors → Add custom connector
URL: https://ziplore.cybermax-tools.workers.dev/mcp

5 tools, verified live

Pulled straight from the server with tools/list on 2026-10-17.
zip_lookupread-only

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_radiusread-only

Every US ZIP within N miles (max 25) of a ZIP or a lat/lon point, closest first, with distance in miles.

city_zipsread-only

All ZIP codes of a US city, largest population first.

nearest_zipread-only

Reverse geocode a latitude/longitude to the nearest US ZIP code(s), with distance.

zip_distanceread-only

Great-circle distance in miles and km between two US ZIP codes.

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