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

Fleetio
Routific
OptimoRoute
Tookan
WorkWave Route Manager
Route4Me
Samsara
Onfleet's delivery management software simplifies your local deliveries from start to finish, allowing you to focus more on what really matters.

Which is more popular?
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 | onfleet.com |
| Pricing | — | |
| 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 Onfleet 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
Overall verdict
Why this product is good
Recommended for
Onfleet is recommended for retail businesses, food delivery services, courier companies, and any organizations that manage significant delivery operations and aim to enhance their logistics and customer service.
Walkthroughs and reviews on video.
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Onfleet CEO Khaled Naim: Hits $5m Revenue Across 500 Customers Paying For Last Mile Delivery
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How often each product is chosen within a category, 0–100% relative to the other.

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