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PostalCodes.app VS PostalCodes.info

Compare PostalCodes.app VS PostalCodes.info and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Reviews
  3. ยป Alternatives

PostalCodes.app logo PostalCodes.app

Access to worldwide postal code data

PostalCodes.info logo PostalCodes.info

Postal code lookup API and downloadable country datasets for address validation, checkout, logistics and geocoding workflows.
  • PostalCodes.app Landing page
    Landing page //
    2021-07-19
  • PostalCodes.info Landing page
    Landing page //
    2026-05-09

PostalCodes.app features and specs

No features have been listed yet.

PostalCodes.info features and specs

  • Global Coverage
    PostalCodes.info provides postal code data for a wide range of countries worldwide, making it useful for international applications that need to validate or look up postal codes across multiple regions.
  • Simple REST API
    The API follows a straightforward RESTful design, making it easy for developers to integrate into their applications without a steep learning curve or complex authentication flows.
  • Geolocation Data
    The service provides geographic coordinates (latitude and longitude) associated with postal codes, which is useful for mapping, distance calculations, and location-based features.
  • Lightweight Responses
    The API returns concise, structured data that is easy to parse and doesn't require heavy bandwidth, making it suitable for applications where performance matters.
  • Useful for Address Validation
    The service can be used to validate and auto-complete address information based on postal codes, improving user experience in forms and checkout processes.

Possible disadvantages of PostalCodes.info

  • Limited Documentation
    The API documentation can be sparse and lacks comprehensive examples, detailed error code explanations, and thorough guides, making it harder for developers to troubleshoot issues or understand all available features.
  • Data Accuracy Concerns
    Some postal code databases may contain outdated or incomplete data for certain countries, as postal codes change over time and keeping a global database fully up-to-date is challenging.
  • Rate Limiting and Usage Restrictions
    The API may impose rate limits or usage caps that could be restrictive for high-traffic applications, potentially requiring paid plans to accommodate larger volumes of requests.
  • Limited Additional Features
    Compared to more established geocoding and postal code services (like Google Maps API or SmartyStreets), PostalCodes.info may lack advanced features such as address parsing, fuzzy matching, or detailed administrative boundary data.
  • Uncertain Reliability and Support
    As a smaller, less well-known service, there may be concerns about long-term availability, uptime guarantees, and the quality of customer support compared to major established providers.

Analysis of PostalCodes.app

Overall verdict

  • PostalCodes.app is a useful and reliable tool for looking up and validating postal code data across multiple countries, offering a clean interface and developer-friendly access.

Why this product is good

  • Provides accurate and up-to-date postal code data for many countries
  • Offers an API that makes integration into apps and websites straightforward
  • Clean, simple user interface that is easy to navigate
  • Useful for validating addresses and reducing shipping or data-entry errors
  • Saves developers time compared to building and maintaining their own postal code database

Recommended for

  • Developers building applications that need address or postal code validation
  • E-commerce businesses needing accurate shipping and location data
  • Logistics and delivery companies managing regional data
  • Data analysts working with geographic or demographic information
  • Anyone needing quick lookups of postal codes across multiple countries

Analysis of PostalCodes.info

Overall verdict

  • PostalCodes.info appears to be a functional reference tool for looking up postal/ZIP codes and administrative boundaries across countries, useful for quick lookups but likely limited compared to official postal authority databases or premium geocoding APIs for bulk/commercial use.

Why this product is good

  • Provides free access to postal code information for multiple countries
  • Simple interface for quick individual lookups
  • No registration typically required for basic searches
  • Covers international postal code systems beyond just one country

Recommended for

  • Individuals needing a quick one-off postal code lookup
  • Students or researchers studying geographic/administrative divisions
  • Small personal projects requiring occasional postal code verification
  • Users who don't need bulk data or API integration

Category Popularity

0-100% (relative to PostalCodes.app and PostalCodes.info)

PostalCodes.app

PostalCodes.info

Developer Tools
100 100%
Developer Tools
0% 0
Postal Management
0 0%
Postal Management
100% 100
API Tools
100 100%
API Tools
0% 0
APIs
0 0%
APIs
100% 100

User comments

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Social recommendations and mentions

Based on our record, PostalCodes.app seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

PostalCodes.app mentions (1)

  • API to Access worldwide postal code and zip code range data
    Hey r/API, I made PostalCodes.app, which is an API to access worldwide postal code and zip code range data, I tried to make it simple, and also made simple documentation, would like to hear your thoughts. Source: almost 5 years ago

PostalCodes.info mentions (0)

We have not tracked any mentions of PostalCodes.info yet. Tracking of PostalCodes.info recommendations started around May 2026.

What are some alternatives?

When comparing PostalCodes.app and PostalCodes.info, you can also consider the following products

Mock API Generator - Generate custom data & API to build apps in less than 30s

Zipcodestack - Free Zip Code API - Free Postal Code Validation | Zipcodestack

Sheety - Turn any Google sheet into an API instantly, for free. Power websites, apps, or whatever you like, all from a spreadsheet. Changes to your spreadsheet update your API in realtime. Neat

Geocode.xyz - A geoparser, geocoder and batch geocoder for the world. Map your data.

ConsumerCloudServices Consumer Address Finder - Fast, accurate UK postcode lookup API โ€” simple, reliable, affordable, with extra property details built in

getAddress.io - A simple API for finding UK postal addresses

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