Top US Zip Location API alternatives in 2025

Top US Zip Location API Alternatives in 2025

As the demand for accurate and efficient location-based services continues to grow, developers are increasingly seeking reliable APIs to integrate zip code functionalities into their applications. In 2025, several alternatives to traditional zip code APIs have emerged, offering unique features and capabilities. This blog post will explore the best alternatives to the Zip Code USA API, detailing their functionalities, pricing, pros and cons, ideal use cases, and how they differ from the Zip Code USA API.

1. Zip Code USA API

The Zip Code USA API is a powerful tool designed to facilitate the retrieval and analysis of location data within the United States. It provides a comprehensive database covering a wide variety of zip codes, ensuring accuracy and complete coverage. This API allows developers to create applications that require precise location-based functionality, from e-commerce platforms to weather forecasting services.

Key Features and Capabilities

The Zip Code USA API offers several key features:

• Get Location Information: To use this feature, simply enter a US zip code. The API returns detailed information about the zip code, including the corresponding city, state, timezone, and geographic coordinates (latitude and longitude).

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

This feature is essential for applications that require accurate location data, such as logistics and market research.

2. Zip Code Finder API

The Zip Code Finder API is a comprehensive tool that allows users to retrieve detailed information for every ZIP Code in the United States. It supports direct ZIP Code lookups and searches based on city and state parameters.

Key Features and Capabilities

• Zip Code: This feature returns a list of ZIP Code details matching the input parameters. Users can input parameters such as "zip_code," "city," and "state" to retrieve specific ZIP Code details.

[{"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"}]

This API is ideal for applications in e-commerce, marketing, logistics, and real estate, providing demographic details and geographic coordinates.

3. 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.

Key Features and Capabilities

• Information by Zip Code: Users must indicate a zip code in the parameter to retrieve detailed information such as city, state, county, time zone, latitude, and longitude.

{"Code":200,"Description":"OK","Data":[{"ZipCode":"96162","City":"TRUCKEE","County":"NEVADA","State":"CA","CountyFIPS":"057","StateFIPS":"06","TimeZone":"8","DayLightSavings":"Y","ZipLatitude":"39.326668","ZipLongitude":"-120.342310"}]}

This API is particularly useful for applications requiring precise geolocation features, allowing users to quickly locate places of interest.

4. USA Zip Code Data API

The USA Zip Code Data API provides developers with access to a comprehensive database of US zip codes and related information.

Key Features and Capabilities

• Get US Zip Code: Users must insert the zip code they are looking for in the parameter to retrieve specific data.

[{"AreaCode":"412","CarrierRouteRateSortation":"D","City":"PITTSBURGH","County":"ALLEGHENY","State":"PA","Latitude":40.460122,"Longitude":-79.835972,"ZipCode":15235}]

This API is beneficial for e-commerce platforms, logistics, and location-based services, providing accurate and up-to-date data.

5. Geographical Positioning API

The Geographical Positioning API enables precise location-based services, including geocoding by latitude and longitude, zip code, and query parameter lookup.

Key Features and Capabilities

• Geocode Coordinates: Users must indicate latitude and longitude in the parameters to receive detailed location information.

[{"name":"Seattle","lat":47.6038321,"lon":-122.330062,"country":"US","state":"Washington"}]

• Geocode by Zip: Users must indicate a zip code in the parameter to receive geographic data associated with that location.

{"zip":"90210","name":"Beverly Hills","lat":34.0901,"lon":-118.4065,"country":"US"}

This API is ideal for mapping applications, logistics optimization, and e-commerce location services.

6. Postcodes to Location UK API

The Postcodes to Location UK API provides developers with access to UK location data and zip codes.

Key Features and Capabilities

• Postcode to Latitude and Longitude: Users must insert a zip code to convert it into latitude and longitude.

{"latitude":"57.1379","longitude":"-2.12149"}

• Latitude and Longitude to Postcode: Users must insert latitude and longitude to convert it to a zip code.

{"postcode":"AB10 1XG"}

This API is useful for address validation, mapping, and geolocation services.

7. Global Postcode Information API

The Global Postcode Information API provides accurate worldwide postal code data for location-based services, logistics, and e-commerce.

Key Features and Capabilities

• Get Location Information: Users must indicate a postal code and a country code in the parameters to retrieve location data.

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

This API is ideal for applications requiring accurate addressing and location-based services.

8. UK Geolocation API

The UK Geolocation API accurately calculates distances between any two zip codes and provides geocoding capabilities.

Key Features and Capabilities

• Calculate Distances by Post Code: Users must insert two post codes in the parameters to calculate the distance.

{"A":{"postcode":"CF10 3NP","latitude":51.48563,"longitude":-3.177216},"B":{"postcode":"CF10 3RB","latitude":51.482242,"longitude":-3.181516},"Distance":0.48016549093206767}

• Get Latitude and Longitude by Post Code: Users must insert a post code in the parameter to retrieve its coordinates.

{"postcode":"CF10 3RB","latitude":51.482242,"longitude":-3.181516}

This API is beneficial for logistics, real estate, and location-based services.

9. Weather by Zip API

The Weather by Zip API provides current weather data for cities by zip code.

Key Features and Capabilities

• Get Weather By Zip: Users can call the endpoint with the zip code of the city to get current weather information.

{"City":"Middletown","State":"DE","TempF":"69.0","TempC":"20.6","Weather":"Overcast","WindMPH":"6.9","WindDir":"East","RelativeHumidity":"90"}

This API is ideal for integrating current weather information into websites and mobile applications.

10. Postal Code Global API

The Postal Code Global API provides seamless access to a vast repository of zip code data from various regions worldwide.

Key Features and Capabilities

• Get Information by Zip Code: Users must enter a zip code in the parameter to retrieve relevant data.

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

This API is beneficial for developers looking to create location-based applications with global coverage.

Conclusion

In conclusion, the landscape of zip code APIs in 2025 offers a variety of alternatives to the Zip Code USA API, each with unique features and capabilities. The Zip Code Finder API excels in providing comprehensive ZIP Code details, while the Zip Code Details US API focuses on accurate geolocation data. For developers seeking global coverage, the Global Postcode Information API and the Postal Code Global API are excellent choices. Ultimately, the best alternative will depend on specific project requirements, including the need for accuracy, coverage, and integration capabilities.