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usZIPCodes.org VS PostalCodes.app

Compare usZIPCodes.org VS PostalCodes.app and see what are their differences

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

usZIPCodes.org logo usZIPCodes.org

Use our free ZIP Code Analysis Tool to find city, state, county, population, and timezone details for any U.S. ZIP code. Fast, accurate, and privacy-safe lookup.

PostalCodes.app logo PostalCodes.app

Access to worldwide postal code data
  • usZIPCodes.org Zip Code Analysis Tool
    Zip Code Analysis Tool //
    2025-12-27

ZIP Code Analysis Tool is a web-based application that allows users to search any US ZIP code and instantly view detailed location-based data. The tool provides accurate information including city, state, county, latitude, longitude, and population statistics. It is designed for researchers, marketers, businesses, and individuals who need quick and reliable ZIP code insights without any custom setup or consultation.

  • PostalCodes.app Landing page
    Landing page //
    2021-07-19

usZIPCodes.org

Website
uszipcodes.org
Pricing URL
-
$ Details
free
Platforms
Desktop Mobile Laptop Tablet Mac
Release Date
2025 October
Startup details
Country
India
State
Maharashtra
City
Mumbai
Edit details

PostalCodes.app

Website
postalcodes.app
Pricing URL
Official PostalCodes.app Pricing
$ Details
-
Platforms
-
Release Date
-
Edit details

usZIPCodes.org features and specs

  • Instant lookup
    Quickly retrieve location and demographic information by ZIP code.
  • Comprehensive details
    City, state, county, coordinates, population estimates, and timezone.
  • No registration
    Free to use, with unlimited searches for personal or professional use.
  • Mobile friendly
    Works across desktops, tablets, and smartphones.
  • Developer friendly
    Simple outputs that can be integrated into workflows or applications.

PostalCodes.app features and specs

No features have been listed yet.

Analysis of usZIPCodes.org

Overall verdict

  • usZIPCodes.org is a useful free reference tool for quickly looking up ZIP codes, city and state information across the United States, making it a solid choice for basic geographic and postal lookups.

Why this product is good

  • Provides free and easy access to ZIP code data for locations across the U.S.
  • Offers quick search functionality to find ZIP codes by city, state, or address
  • Includes supplementary geographic details such as county, area codes, and time zones
  • Useful for verifying addresses and postal information without requiring registration

Recommended for

  • Individuals needing to quickly find a ZIP code for mailing or shipping
  • Small businesses verifying customer addresses or service areas
  • Students and researchers looking up basic U.S. geographic and postal data
  • E-commerce sellers confirming delivery locations and shipping zones

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

Category Popularity

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

usZIPCodes.org

PostalCodes.app

Zip Lookup
100 100%
Zip Lookup
0% 0
Developer Tools
37 37%
Developer Tools
63% 63
API Tools
0 0%
API Tools
100% 100
Maps
100 100%
Maps
0% 0

Questions & Answers

As answered by people managing usZIPCodes.org and PostalCodes.app.

What makes your product unique?

usZIPCodes.org's answer

Their ability to translate simple postal codes into sophisticated geographic insights for a wide range of business and research applications beyond their original mail delivery purpose.

What's the story behind your product?

usZIPCodes.org's answer

The "story" behind the concept of a "ZIP Code analysis tool" is not about a single specific software product, but rather the evolution of the ZIP Code itself from a simple postal sorting mechanism into a powerful, multifaceted geographic data analysis unit used across many industries.

User comments

Share your experience with using usZIPCodes.org and PostalCodes.app. For example, how are they different and which one is better?
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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.

usZIPCodes.org mentions (0)

We have not tracked any mentions of usZIPCodes.org yet. Tracking of usZIPCodes.org recommendations started around Dec 2025.

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

What are some alternatives?

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

ZipCheckup - Check water quality, product recalls, energy rebates, and safety alerts for any U.S. ZIP code. Free reports powered by EPA and government data.

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

ZIP Code API - REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

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

Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.

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

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