
Mockaroo
RANDOM.ORG
Generate Data
A free, browser-based tool to generate valid, region-aware random phone numbers for QA testing. Supports US, UK, CN formats and bulk CSV export.

Website, pricing, platforms and company facts side by side.
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| Website | codegres.org | randomphonenumber.online |
| Pricing | — | |
| Company | — | 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Codegres.org yet.
A free, privacy-focused alternative to Random.org. specifically designed for developers and QA testers. Supports region-aware phone number generation (US, UK, CN) and bulk CSV export.
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As answered by people managing Codegres.org and RandomPhoneNumber.online.
RandomPhoneNumber.online's answer:
It offers unlimited bulk generation and CSV export completely for free, without requiring any sign-up or login. While competitors like Mockaroo restrict free users to small batches, this tool allows developers and QA teams to generate thousands of valid test records instantly.
RandomPhoneNumber.online's answer:
TypeScript, React, Next.js
RandomPhoneNumber.online's answer:
Unlike generic generators that simply output random digits, RandomPhoneNumber.online uses strict Regex patterns to ensure every number has a valid Area Code and Exchange Code for its specific region (US, UK, China, etc.). Additionally, it is 100% client-side, meaning data is generated locally in your browser for maximum privacy.
RandomPhoneNumber.online's answer:
QA Engineers, Software Developers, Data Analysts, and anyone who needs valid dummy data for software testing or database seeding.
RandomPhoneNumber.online's answer:
I built this tool because I was frustrated with existing "random" generators creating invalid phone numbers (e.g., US area codes starting with 0 or 1) that failed my application's validation logic. I needed a tool that respected real-world numbering rules for accurate testing, so I coded it myself.
RandomPhoneNumber.online's answer:
Share your experience with using Codegres.org and RandomPhoneNumber.online. For example, how are they different and which one is better?