Postcode Locator API

Postcode Locator API

The Postcode Locator API furnishes comprehensive details for every ZIP code in the United States, simplifying searches based on ZIP code, city, and state parameters.

API description

About the API:  

The Postcode Locator API presents a sturdy solution, furnishing comprehensive details on all ZIP codes across the United States. Whether users input specific codes or conduct searches via city and state parameters, this API delivers a plethora of data to address diverse needs.

Empowered with the Postcode Locator API, users delve into a wealth of ZIP code information, encompassing geographic coordinates, time zones, and more. This breadth of data equips users with valuable insights into various regions across the nation.

A standout feature of the Postcode Locator API is its customizable data entry methods. Users have the flexibility to input ZIP codes directly or utilize city and state parameters for seamless searches, streamlining the process of pinpointing ZIP codes for specific regions.

Furthermore, users reap the benefits of the API's versatility and straightforward integration into various platforms, including websites, mobile apps, and desktop applications. Incorporating postal code functionality enriches user experiences and amplifies the utility of location-based services.

In essence, the Postcode Locator API emerges as an indispensable asset for those seeking intricate knowledge about U.S. ZIP codes. Whether optimizing operations or developing location-centric services, this API serves as a comprehensive solution. With its adaptable input options, extensive datasets, and robust performance, the Postcode Locator API proves to be a potent tool for navigating the geographic terrain of the United States.


What this API receives and what your API provides (input/output)?

It will receive parameters and provide you with a JSON.


What are the most common uses cases of this API?

  1. Address Validation: Verifying addresses by matching them with corresponding ZIP Codes for accuracy.

    Location-Based Services: Enhancing apps with features like local weather, businesses, and demographics based on ZIP Code.

    Delivery Logistics: Optimizing delivery routes and estimating delivery times based on ZIP Code data.

    Marketing Campaigns: Targeting specific geographic areas for marketing efforts by analyzing ZIP Code demographics.

    Sales Territory Planning: Dividing sales territories based on ZIP Code data to allocate resources effectively.


Are there any limitations to your plans?

Besides the number of API calls available for the plan, there are no other limitations.

API Documentation


To use this endpoint you will have to indicate a zip code, and you will also have optional parameters where you can indicate a city and state.


Location Data - Endpoint Features
Object Description
zip [Required]
Test Endpoint


                                                                                                                                                                                                                            [{"zip_code": "90001", "valid": true, "city": "Los Angeles", "state": "CA", "county": "Los Angeles County", "timezone": "America/Los_Angeles", "area_codes": ["323"], "country": "US", "lat": "33.9736", "lon": "-118.2479"}]

Location Data - CODE SNIPPETS

curl --location --request GET '' --header 'Authorization: Bearer YOUR_API_KEY' 


API Access Key & Authentication

After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Postcode Locator API REST API, simply include your bearer token in the Authorization header.


Header Description
Authorization [Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.

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To use this API, users must enter U.S. zip codes. Optionally, they can specify a city or state to obtain geographic information about it.

The Postcode Locator API designed to provide users with geographic location information associated with zip codes (also known as ZIP codes) from around the world.

There are different plans to suit all tastes, including a free trial for a small number of requests, but your rate is limited to avoid abuse of the service.

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