
Fiverr
Freelancer.com
Toptal
Guru
PeoplePerHour
indeed
99designs
Forget the old rules. You can have the best people. Right now. Right here.

USZipLookup
ZipCheckup
ZIP Code API
Smarty
Geoco.io
AZIPCODE
PostalCodes.app
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.

Which is more popular?
Based on our record, Upwork seems to be more popular. It has been mentioned 331 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | upwork.com | uszipcodes.org |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States | Startup from India · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Upwork yet.
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,...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Avoid Upwork! – Freelancers Beware: Upwork Review
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Upwork and usZIPCodes.org.
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.
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.
Share your experience with using Upwork and usZIPCodes.org. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Upwork is one of the largest freelance marketplaces, offering a wide range of services across industries such as tech, writing, marketing, and design. Its reputation system allows employers to see past client reviews...
Upwork offers a staggering range of job categories, from writing and editing to web development, marketing, design, and even virtual assistance. This makes it a valuable resource for businesses with specific project...
✅ Upwork’s strengths, weaknesses, and issues;✅ What do websites like Upwork offer to compete against it (for example, Upwork time tracking);✅ Which Upwork competitors to turn to with your specific needs.
We have no reviews of usZIPCodes.org yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Upwork: Great for beginners, wide variety of projects. - Source: dev.to / over 2 years ago
If you are learning web development, goto upwork.com and start doing projects. Your old projects & code is a lot more valuable than some references from a company. Source: almost 3 years ago
I just wanted to say, for anyone reading this far: this is the sort of thing you can hire a programmer to whip up for you to carry around on your phone. u/dark_rug just up and did it, but for anybody else finding themselves with a... Source: almost 3 years ago
Tracking usZIPCodes.org since Dec 2025.
When comparing Upwork and usZIPCodes.org, you can also consider the following products.

One marketplace, millions of professional services.
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Search for jobs related to Www freelancer com homepage or hire on the world's largest freelancing marketplace with 12m+ jobs. It's free to sign up and bid on jobs.
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Check water quality, product recalls, energy rebates, and safety alerts for any U.S. ZIP code. Free reports powered by EPA and government data.
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Hire the Top 3% of Freelance Talent®. Toptal is an exclusive network of the top freelance software developers, designers, finance experts, product managers, and project managers in the world.
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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
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