PostalDataPI MCP Server

Look up a postal code and get city, state, and region information.

Works for ZIP codes (US), postcodes (UK), PLZ (Germany), and postal codes in 70+ countries. Use this when someone asks about a postal code, wants to know what city a ZIP code belongs to, or needs address information.

Args: postal_code: The postal code to look up (e.g., "90210", "SW1A", "10115", "100-0001") country: ISO 3166-1 alpha-2 country code (e.g., "US", "GB", "DE", "JP"). Defaults to "US".

Returns: City, state/region, and abbreviation for the postal code.

Check whether a postal code exists in a given country.

Use this when someone wants to verify if a postal code is valid before processing an order, form, or address.

Args: postal_code: The postal code to validate country: ISO 3166-1 alpha-2 country code. Defaults to "US".

Returns: Whether the postal code is valid or invalid.

Find all postal codes for a given city.

Use this when someone has a city name and needs the postal codes that serve it. For US cities, provide the state name or 2-letter abbreviation.

Args: city: City name (e.g., "Beverly Hills", "Berlin", "Tokyo") state: State or region name/abbreviation. Required for US cities (e.g., "CA" or "California"). country: ISO 3166-1 alpha-2 country code. Defaults to "US".

Returns: List of postal codes for the city.

Get full metadata for a postal code including coordinates.

Returns latitude, longitude, county/municipality, and all available country-specific fields. Use this when someone needs geographic coordinates, timezone, or detailed location data for a postal code.

Args: postal_code: The postal code to look up country: ISO 3166-1 alpha-2 country code. Defaults to "US".

Returns: Full metadata including coordinates, region, and country-specific fields.