Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
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

Jerboa for Lemmy
Reddit
Lemmy
Raddle
SaidIt.net
Lobsters
Aether
A non-profit community site driven by its users' interests
Which is more popular?
Based on our record, Tildes seems to be more popular. It has been mentioned 246 times since March 2021.
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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|---|---|---|
| Website | zip-codes.com | tildes.net |
| Company | Startup from the United States · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
No description of Tildes yet.
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Recommended for
Overall verdict
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How to Use Tildes (Accent Marks) in Spanish | The Language Tutor *Lesson 74*
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Tildes is a non-profit, community-focused platform that aims to foster high-quality discussions.
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
May I introduce [tildes.net](https://tildes.net) Invite only, text based, smaller community, engaging discussions. And I guess hacker news and lobsters. Others can add more. (There was hesitation in adding this, you don’t want more... - Source: Hacker News / 8 days ago
This is just the Breaking Bad "He can't keep getting away with it" meme, for tech giants. Google has been ruling Android with an iron fist for over a decade, and they continue to do so. This came up in a different comment chain of mine... - Source: Hacker News / about 1 month ago
- https://tildes.net/~society/1ldg/proton_ceo_tweets_support_for_donald_trumps_department_of_justice_pick_and_the_us_republican_party. - Source: Hacker News / 4 months ago
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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