CodePostalPro

Connect Remote server

claude mcp add --transport http postal-codes https://api.codepostalpro.com/mcp --header "X-Api-Key: <X_API_KEY>"

{
  "mcpServers": {
    "postal-codes": {
      "url": "https://api.codepostalpro.com/mcp",
      "headers": {
        "X-Api-Key": "<X_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "postal-codes": {
      "type": "http",
      "url": "https://api.codepostalpro.com/mcp",
      "headers": {
        "X-Api-Key": "<X_API_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://api.codepostalpro.com/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 7 found in our last check

• lookup_postal_code

  Look up a postal code or US ZIP code. Returns every locality that carries the code with its city, county/administrative division, region (state, département, wilaya…), coordinates, IANA time zone, US telephone area codes, USDA 2023 plant hardiness / planting zone (e.g. 7b with i…

• search_places

  Find localities by name, city name, or the beginning of a postal code. Use this when the user gives a place name and wants its postal code(s), or has a partial code. Results are ranked exact-name-first, then by population. Returns the same full records as lookup_postal_code. Res…

• nearby_places

  List localities around a latitude/longitude, nearest first, each with `distance_km`. Use it for "what ZIP codes are near…", "postal codes within 10 km of…", or to resolve coordinates to the closest postal code (the first result). Distances are to the locality centroid from the s…

• get_region

  A state, région, wilaya or governorate with the list of its cities / départements / delegations (names, slugs and their postal codes), plus for US states every telephone area code in use. Use the slugs it returns to call get_group or get_place. Region slugs are lower-case hyphen…

• get_group

  A city (US), département (France), province (Morocco), post office (Algeria) or delegation (Tunisia) with all its localities / ZIP codes. For a US city this is the complete list of its ZIP codes with coordinates, time zone and area codes. Needs the region slug and the group slug…

• area_code_lookup

  Where a US telephone area code is used: the state(s) it serves, the cities with the most ZIPs listing it, total ZIP and city counts, and `overlay_codes` — codes assigned to the same territory (e.g. 310 and 424 in west Los Angeles). Use it for "where is area code 310", "what area…

• list_countries

  Coverage overview: the eight curated countries with postal-code format, hierarchy labels (e.g. state › city › ZIP), key facts (capital, population, area, currency, calling code) and time zones — plus `bulk_tier` with per-country postal-code counts for the ~115 additional countri…

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