find_postal_codes
ActiveTool of Geonames
Look up postal/ZIP codes and places by each other. Pass "postal_code" (+ country) to find the place(s) a code maps to ("what city is ZIP 90210"); or pass "place" (+ country) to find the postal codes for a place name ("postal codes for Paris"). Returns place name, country, admin region (state/county), postal code, and coordinates.
Parameters schema
{
"type": "object",
"required": [
"_apiKey"
],
"properties": {
"limit": {
"type": "number",
"description": "Max results (default 10, max 100)."
},
"place": {
"type": "string",
"description": "Place name to find postal codes for (e.g. \"Paris\", \"Springfield\"). Use instead of postal_code."
},
"_apiKey": {
"type": "string",
"description": "GeoNames username"
},
"country": {
"type": "string",
"description": "ISO 3166-1 alpha-2 country code (e.g. \"US\", \"FR\"). Strongly recommended — codes and place names repeat across countries."
},
"postal_code": {
"type": "string",
"description": "Postal/ZIP code to look up (e.g. \"90210\", \"75001\"). Provide country for accuracy."
}
}
}No endpoints wrapped at confidence ≥ 0.70.
Parent server
Geonames
https://github.com/pipeworx-io/mcp-geonames
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