zipcodestack

Zip Code API

US zip code lookup and validation with detailed location data including coordinates, county, and timezone information.

Example response (trimmed)zipcodestack.com
{
  "query": {
    "codes": ["99501"],
    "country": "us"
  },
  "results": {
    "99501": [
      {
        "postal_code": "99501",
        "country_code": "US",
        "latitude": 61.2181,
        "longitude": -149.9003,
        "city": "Anchorage",
        "state": "Alaska",
        "state_code": "AK",
        "province": "Anchorage",
        "accuracy": 4
      }
    ]
  }
}
Use cases

Use Cases

01

Address Validation

Validate and auto-complete addresses during checkout and registration.

02

Shipping Calculations

Calculate shipping rates and delivery zones based on zip codes.

03

Location Analytics

Analyze customer distribution and demographics by region.

Integrations

Available Integrations

Use with your favorite tools and platforms

API Marketplaces

Automation & Integration Platforms

Zapier Coming soon Make Coming soon n8n Coming soon Pipedream Coming soon

MCP server for AI agents

https://api.zipcodestack.com/mcpStreamable HTTP ยท API key in the apikey headerSetup guide

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