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

NordVPN
ProtonVPN
Windscribe
Hotspot Shield
ExpressVPN
OpenVPN
TunnelBear
PureVPN is a premium VPN service provider. As one of the first movers in the cybersecurity network, we provide you with the tools, services and knowledge to be the best version of yourself online.
Which is more popular?
Based on our record, PureVPN 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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ZIP
ZIP Code API
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|---|---|---|
| Website | zip-codes.com | purevpn.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States · 2026 | 2006 |
| 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...
With a self-managed constellation of 300,000+ IPs, 2,000+ servers in 180+ locations, 100% zero log policy, and a 31-day money-back guarantee; PureVPN offers seamless access to content while ensuring users’ anonymity. PureVPN promises to empower your business with security, privacy, protection,...
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Purevpn service is almost available in 141 different countries. We can easily choose our data route between the VPN and ISP network within the client software. It provides its services for Windows, Mac, IOS, and Android.
For its 3 million subscribers, PureVPN offers 10 simultaneous logins, more than 6,500 servers in 96 locations and 78 countries, and a proven no-log policy.
This VPN service is for those who give speed the utmost priority. It’s not as popular as NordVPN, but it has over 2000 servers located in 180 countries worldwide. Apart from that, PureVPN also allows users to manually...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Purevpn chrome extension used to work till a week back but no longer working in India ( keeps asking me to login repeatedly ) . Upon trying to open purevpn.com I get the error " The URL has been blocked as per the instructions of the... Source: about 3 years ago
Secondly, we have introduced mechanism in app to enable it to talk to our backend servers even if their ISP/network is actively blocking purevpn.com. Source: over 4 years ago
When comparing ZIP Code API and PureVPN, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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NordVPN offers VPN technology that encrypts data twice.
Compare NordVPN to ZIP Code API or PureVPN:

Free Zip Code API - Free Postal Code Validation | Zipcodestack
Compare Zipcodestack to ZIP Code API or PureVPN:

ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.
Compare ProtonVPN to ZIP Code API or PureVPN:

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to ZIP Code API or PureVPN:

Windscribe is a desktop application and browser extension that work together to block ads and trackers, restore access to blocked content and help you safeguard your privacy online.
Compare Windscribe to ZIP Code API or PureVPN: