AreaCode.fyi MCP Server

An MCP server that gives Claude, Cursor, and other agents a small, trusted reference for US & Canada phone numbering — area codes, NANP validation, local time, city/state coverage, overlays, and scam/spoofing context.…

Local serverstdioMIT

What is the AreaCode.fyi MCP Server?

AreaCode.fyi MCP Server source profile. From the maintainer documentation: “An MCP server that gives Claude, Cursor, and other agents a small, trusted reference for US & Canada phone numbering — area codes, NANP validation, local time, city/state coverage, overlays, and scam/spoofing context. Backed by areacode.fyi, which publishes directly from the official NANPA numbering database. Every result includes a canonical areacode.fyi URL and the source date.”

Installation

The documented npm package is @riv-lc/areacode-mcp. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
lookup_area_codeCountry, state/province, cities, time zone, current local time, overlays, nearby codes
lookup_phone_numberParse/validate a NANP number → area code, region, local time, E.164
lookup_carrierAssigned carrier, line type (wireless/landline), and rate center for a number's NPA-NXX block (block-allocation data, not live/ported; covers nearly every…
area_codes_for_cityArea codes serving a city (optionally disambiguated by state)
area_codes_for_stateEvery area code in a US state or Canadian province
is_scam_area_codeScam/spoofing context for an area code + an aggregate of FTC Do Not Call complaints filed about numbers using that code
check_number_reputationUnverified community signal (low / mid / high) plus public FTC Do Not Call complaint data (count, % robocalls, top subject) for a number
explain_area_code_topicSource-backed explainers: neighbor spoofing, overlays vs splits, toll-free, area-code-vs-country-code, temporary numbers

How to install the AreaCode.fyi MCP Server

{
  "mcpServers": {
    "areacode": {
      "command": "npx",
      "args": [
        "-y",
        "@riv-lc/areacode-mcp"
      ]
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.