# CountryCallingCodes

> Use this tool when you need to retrieve international country calling codes, ISO country codes, or other dialing information for various regions. It solves problems related to phone number formatting, international dialing, and country code lookup, providing outputs in JSON format. Ideal for applications requiring accurate and up-to-date telecommunication data, such as phone number validation or international calling services.

Canonical page: https://skillsregistry.net/skills/kajdep-countrycallingcodesmcp  
JSON: https://api.skillsregistry.net/v1/skills/kajdep-countrycallingcodesmcp

## Description

Read-only MCP server and JSON API for international country calling codes, ISO country codes, E.164 dial codes, regions, trunk prefixes, and NANP area codes.

## Trust

- **Trust score (0–1):** 1.00
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** api-integration
- **Updated:** 2026-09-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/a6u0a7xkl0)
- **Repository:** <https://github.com/Kajdep/countrycallingcodesmcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "kajdep-countrycallingcodesmcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/kajdep-countrycallingcodesmcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/kajdep-countrycallingcodesmcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt