
Superhuman
Spark Mail
InboxZero
FiloMail
Gmail
Missive
Sanebox
Email smarter & faster with a reinvented experience for your Gmail

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, Shortwave seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | shortwave.com | uszipcodes.org |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from India · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Shortwave 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.


No analysis of Shortwave yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Tecsun PL-330 AM FM LW Shortwave SSB Portable Radio Review
More videos
No usZIPCodes.org videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


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


> [2] https://shortwave.com Welp! It's already hugged to deathi guess. - Source: Hacker News / almost 3 years ago
Try Shortwave. A bunch of engineers quit Google and essentially resurrected it. Source: over 4 years ago
Tracking usZIPCodes.org since Dec 2025.
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Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
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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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The best and most innovative mail app to master your overloaded mailbox.
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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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