Top World Zip Code Information API alternatives in 2025

Top World Zip Code Information API Alternatives in 2025

As the demand for accurate location data continues to grow, developers are increasingly seeking reliable APIs to provide zip code information. In 2025, several alternatives to the traditional Global Postcode Information API have emerged, each offering unique features and capabilities. This blog post will explore the best alternatives, detailing their functionalities, pricing, pros and cons, ideal use cases, and how they differ from the Global Postcode Information API.

1. Global Postcode Information API

The Global Postcode Information API provides accurate worldwide postal code data for various applications, including logistics and e-commerce. It allows users to access postal codes, city names, and regions, ensuring precise addressing and location-based services.

One of its key features is the ability to get location information by specifying a postal code and a country code. This feature is crucial for applications that require accurate geographic data. The API maintains data accuracy through regular updates and quality checks, ensuring that users receive reliable information.

For example, a request to retrieve location information might look like this:

{ "postal_code": "90001", "country_code": "US" }

The response would include detailed information about the postal code, such as:

{
  "results": [
    {
      "address_components": [
        {
          "long_name": "90001",
          "short_name": "90001",
          "types": ["postal_code"]
        },
        {
          "long_name": "Firestone Park",
          "short_name": "Firestone Park",
          "types": ["neighborhood", "political"]
        },
        {
          "long_name": "Los Angeles County",
          "short_name": "Los Angeles County",
          "types": ["administrative_area_level_2", "political"]
        }
      ]
    }
  ]
}

Ready to test the Global Postcode Information API? Try the API playground to experiment with requests.

2. Zip Code Finder API

The Zip Code Finder API is a comprehensive tool for retrieving detailed information about every ZIP Code in the United States. Users can input ZIP Codes directly or search by city and state parameters, making it versatile for various applications.

One of its standout features is the ability to return a list of ZIP Code details matching the input parameters. This feature is particularly useful for applications in e-commerce, marketing, and logistics.

For instance, a request to retrieve ZIP Code details might look like this:

{ "zip_code": "04101" }

The response would provide information such as:

[
  {
    "zip_code": "04101",
    "valid": true,
    "city": "Portland",
    "state": "ME",
    "county": "Cumberland County",
    "timezone": "America/New_York",
    "area_codes": ["207"],
    "country": "US",
    "lat": "43.6608",
    "lon": "-70.2613"
  }
]

Want to use the Zip Code Finder API in production? Visit the developer docs for complete API reference.

3. USA Zip Code Data API

The USA Zip Code Data API offers developers access to a comprehensive database of US zip codes and related information. This API is particularly beneficial for applications that require accurate and up-to-date data sourced from government agencies.

One of its key features is the ability to get US zip code information by inserting the desired zip code in the parameter. This allows developers to retrieve specific data relevant to their applications.

A sample request might look like this:

{ "zip_code": "15235" }

The response could include:

[
  {
    "AreaCode": "412",
    "City": "Pittsburgh",
    "State": "PA",
    "County": "Allegheny",
    "Latitude": 40.460122,
    "Longitude": -79.835972
  }
]

Need help implementing the USA Zip Code Data API? View the integration guide for step-by-step instructions.

4. Postal Zone Locator API

The Postal Zone Locator API provides comprehensive details about every U.S. zip code, enabling searches based on zip code, city, and state. This API is ideal for applications that require detailed geographic information.

One of its notable features is the ability to indicate a zip code along with optional parameters for city and state. This flexibility allows users to retrieve relevant data efficiently.

A typical request might look like this:

{ "zip_code": "90210", "city": "Beverly Hills", "state": "CA" }

The response would include:

[
  {
    "zip_code": "90210",
    "valid": true,
    "city": "Beverly Hills",
    "state": "CA",
    "county": "Los Angeles County",
    "timezone": "America/Los_Angeles",
    "area_codes": ["310", "323", "424"],
    "country": "US",
    "lat": "34.1031",
    "lon": "-118.4163"
  }
]

Need help implementing the Postal Zone Locator API? View the integration guide for step-by-step instructions.

5. Postal Code Global API

The Postal Code Global API is a powerful tool that provides users with seamless access to a vast repository of zip code data from various regions worldwide. This API is particularly useful for developers looking to create location-based applications.

One of its key features is the ability to get information by zip code, which allows users to enter a zip code in the parameter to retrieve relevant data.

A sample request might look like this:

{ "zip_code": "99950" }

The response could include:

{
  "query": {
    "codes": ["99950"],
    "country": null
  },
  "results": {
    "99950": [
      {
        "postal_code": "99950",
        "country_code": "FI",
        "latitude": "69.47290000",
        "longitude": "25.95270000",
        "city": "Karigasniemi",
        "state": "Lapland"
      }
    ]
  }
}

Want to try the Postal Code Global API? Check out the API documentation to get started.

6. Zip Code USA API

The Zip Code USA API quickly retrieves precise location details within the United States. This API is designed to facilitate the retrieval and analysis of location data, making it ideal for various applications.

One of its key features is the ability to get location information by entering a US zip code. This straightforward approach allows developers to access essential geographic data easily.

A typical request might look like this:

{ "zip_code": "90001" }

The response would provide detailed information such as:

{
  "zip_code": "90001",
  "primary_city": "Los Angeles",
  "state": "CA",
  "timezone": "America/Los_Angeles",
  "latitude": 33.97,
  "longitude": -118.24
}

Want to try the Zip Code USA API? Check out the API documentation to get started.

7. Postal Code Location API

The Postal Code Location API provides detailed information on all U.S. zip codes, allowing users to search by zip code, city, and state. This API is beneficial for applications that require comprehensive geographic data.

One of its notable features is the ability to indicate a zip code along with optional parameters for city and state. This flexibility allows users to retrieve relevant data efficiently.

A typical request might look like this:

{ "zip_code": "97202", "city": "Portland", "state": "OR" }

The response would include:

[
  {
    "zip_code": "97202",
    "valid": true,
    "city": "Portland",
    "state": "OR",
    "county": "Multnomah County",
    "timezone": "America/Los_Angeles",
    "area_codes": ["971"],
    "country": "US",
    "lat": "45.4803",
    "lon": "-122.6451"
  }
]

Looking to optimize your Postal Code Location API integration? Read our technical guides for implementation tips.

8. Zip Code Details US API

The Zip Code Details US API offers accurate geolocation data and information for US zip codes, enhancing address validation and location-based services. This API is a valuable resource for applications requiring geolocation and address data.

One of its key features is the ability to retrieve information by zip code, allowing users to specify a zip code in the parameter to obtain relevant data.

A sample request might look like this:

{ "zip_code": "96162" }

The response could include:

{
  "Code": 200,
  "Description": "OK",
  "Data": [
    {
      "ZipCode": "96162",
      "City": "TRUCKEE",
      "County": "NEVADA",
      "State": "CA",
      "TimeZone": "8",
      "ZipLatitude": "39.326668",
      "ZipLongitude": "-120.342310"
    }
  ]
}

Need help implementing the Zip Code Details US API? View the integration guide for step-by-step instructions.

9. Postal Code to State API

The Postal Code to State API is a versatile tool that allows users to convert zip codes to their corresponding names or state codes. This API simplifies the process of associating zip codes with their respective states.

One of its key features is the ability to convert a zip code to its corresponding state name or code by providing the zip code as input. This straightforward approach ensures that users get the most relevant and up-to-date state information.

A sample request might look like this:

{ "zip_code": "10001" }

The response would include:

{"state":"NY"}

Looking to optimize your Postal Code to State API integration? Read our technical guides for implementation tips.

10. Map Code Locator API

The Map Code Locator API offers accurate location identification by country, zip code, and city for efficient navigation and logistics. This API is particularly useful for applications that require precise location codes.

One of its key features is the ability to retrieve location codes based on postal code, country, and city parameters. This flexibility allows users to obtain accurate location codes for any geographic area.

A typical request might look like this:

{ "postal_code": "90001" }

The response would include:

[
  {"location_name":"90001,California,United States","location_code":9030927},
  {"location_name":"490001,Chhattisgarh,India","location_code":9146866}
]

Want to try the Map Code Locator API? Check out the API documentation to get started.

Conclusion

In conclusion, the landscape of zip code information APIs is rich and varied, with numerous alternatives to the Global Postcode Information API available in 2025. Each API discussed offers unique features and capabilities that cater to different needs, from comprehensive data retrieval to precise location identification.

For developers looking for a robust solution for U.S. zip code data, the Zip Code Finder API and the USA Zip Code Data API stand out for their extensive coverage and detailed information. On the other hand, for global applications, the Postal Code Global API offers a wide range of international data.

Ultimately, the best choice will depend on specific project requirements, including the need for global versus local data, the level of detail required, and the ease of integration into existing systems. By carefully evaluating these alternatives, developers can select the API that best fits their needs and enhances their applications.