Software Alternatives & Startups
Register | Login

usZIPCodes.org VS Zipcodestack

Compare usZIPCodes.org VS Zipcodestack and see what are their differences

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.

Rating
0 reviews
Pricing
Free
Alternatives Is it good?
Zipcodestack

Free Zip Code API - Free Postal Code Validation | Zipcodestack

No screenshot yet
Rating
0 reviews
Pricing
Free
Alternatives Is it good?
Bluebox.ai
Bluebox gives coding agents the production context they are missing. It briefs your agent with live runtime behavior before a change, investigates incidents, explains likely root cause, and returns a GitHub issue you review. Free to start. sponsored

Which is more popular?

Based on our record, Zipcodestack seems to be more popular. It has been mentioned 3 times since March 2021.

social mentions
0 vs 3
Zip Lookup popularity
54% vs 46%
alternatives listed
9 vs 29

Base details

Website, pricing, platforms and company facts side by side.

usZIPCodes.org
Zipcodestack
Website uszipcodes.org zipcodestack.com
Pricing
Free
Free
Platforms
Desktop Mobile Laptop Tablet Mac +2
REST API
Company Startup from India · 2025 —
Listed in
Maps Address Finder Zip Lookup Developer Tools +1
Postal Management Data Validation APIs Zip Lookup +1

About usZIPCodes.org and Zipcodestack

In their own words, as submitted to SaaSHub.

usZIPCodes.org
Zipcodestack

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,...

Read more about usZIPCodes.org

No description of Zipcodestack yet.

Features and specs

What each product offers, as listed by its team.

usZIPCodes.org 5 features
Zipcodestack 4 features
  • 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.
  • Comprehensive Data Coverage
    Zipcodestack provides extensive data coverage for postal codes, allowing users to access detailed information about demographics, geography, and more.
  • Easy Integration
    The platform offers user-friendly APIs that make it easy to integrate postal code data into various applications, thereby simplifying the development process.
  • Real-time Updates
    Zipcodestack ensures that the data is constantly updated in real-time, providing users with the most accurate and current information available.
  • Customer Support
    Highly responsive customer support assists users with any issues or questions, ensuring a smooth user experience.

Possible disadvantages

  • Cost
    Some users might find the pricing model to be on the higher side, especially for small businesses or individual developers with limited budgets.
  • Learning Curve
    While the platform is comprehensive, it might require some time for new users to fully understand and utilize all its features effectively.
  • Dependency on Internet
    As an online platform, Zipcodestack requires a stable internet connection; disruptions in connectivity can impede access to data.
  • Limited Offline Functionality
    The platform has limited capabilities for offline use, which might be a drawback for applications requiring offline access to data.

Analysis

An editorial look at what each product does well and who it suits.

usZIPCodes.org
Zipcodestack

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

Overall verdict

  • Zipcodestack is a solid, developer-friendly postal code lookup API that offers reliable geolocation and distance data with a straightforward integration process and a usable free tier, making it a good choice for adding zip code functionality to applications.

Why this product is good

  • Provides accurate postal code, city, state, and geolocation data across many countries
  • Offers a generous free tier that's great for testing and small projects
  • Simple REST API with clear documentation and easy authentication via API keys
  • Supports useful features like distance calculation between zip codes and radius searches
  • Fast response times and reliable uptime for production use
  • Affordable paid plans that scale with usage needs

Recommended for

  • Developers building location-based or address-validation features
  • E-commerce platforms needing shipping and delivery zone calculations
  • Startups and small businesses wanting an affordable postal code API
  • Applications requiring international zip code lookups and geocoding
  • Projects needing distance or radius-based search functionality between locations

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
usZIPCodes.org
Zipcodestack
54% 54%
Zip Lookup
46% 46%
0% 0%
APIs
100% 100%
100% 100%
Developer Tools
0% 0%
0% 0%
Data Validation
100% 100%

Questions & Answers

As answered by people managing usZIPCodes.org and Zipcodestack.

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 Zipcodestack. For example, how are they different and which one is better?

Log in or Post with

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

usZIPCodes.org 0 mentions
Zipcodestack 3 mentions

Tracking usZIPCodes.org since Dec 2025.

  • Validating Postal Codes Worldwide in Node.js – Challenges & Solutions with zipcodestack API
    Using the zipcodestack API in your Node.js application is straightforward. You’ll first need to sign up for a free API key (it only takes a minute). Once you have your API key, you can call the REST endpoints using any HTTP client. Below... - Source: dev.to / about 1 year ago
  • A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
    Zipcodestack - Free Zip Code API and Postal Code Validation. Ten thousand free requests/month. - Source: dev.to / over 2 years ago
  • I have a column in google sheets with ZIP codes. How do i put a column next to it that will automatically fill with what city is associated with that zip code?
    I have seen this request pop up quite a few times. I did a quick search for free APIs of zipcode lookups. This one, named "zipcodestack" (I'm not in any way tied to, endorsing, or promoting them) seemed like a pretty good resource with... Source: over 3 years ago

Alternatives to usZIPCodes.org and Zipcodestack

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

Loading...