
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.

Fast.com
LibreSpeed
Speed Test by Cloudflare
Meteor
Affimity
speedtest-cli
Speedtest.net
Quickly check your internet connection speed.
Which is more popular?
Based on our record, Speediness seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | uszipcodes.org | sindresorhus.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from India · 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


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,...
No description of Speediness yet.
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
No analysis of Speediness yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing usZIPCodes.org and Speediness.
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 usZIPCodes.org and Speediness. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking usZIPCodes.org since Dec 2025.
I made a free GUI app for this tool: https://sindresorhus.com/speediness. - Source: Hacker News / over 3 years ago
If anyone is looking for a GUI version of this CLI tool, check out my Speediness app. Source: over 4 years ago
When comparing usZIPCodes.org and Speediness, you can also consider the following products.

Find any US ZIP code or Canadian postal code instantly. Search by city, address or code - get accurate location, county & population data free.
Compare USZipLookup to usZIPCodes.org or Speediness:

Quickly test your internet speed with this fast-loading speed test powered by Netflix.
Compare Fast.com to usZIPCodes.org or Speediness:

Check water quality, product recalls, energy rebates, and safety alerts for any U.S. ZIP code. Free reports powered by EPA and government data.
Compare ZipCheckup to usZIPCodes.org or Speediness:

Self-hosted Speedtest for HTML5. Easy setup, examples, configurable, mobile friendly.
Compare LibreSpeed to usZIPCodes.org or Speediness:
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
Compare ZIP Code API to usZIPCodes.org or Speediness:

speed.cloudflare.com is a tool that allows you to measure the speed and consistency of your connection to the Internet. You can use it to verify that the speed your ISP promised you is the speed you are getting.
Compare Speed Test by Cloudflare to usZIPCodes.org or Speediness: