Use it when seeding development databases, populating UI mockups, testing phone-number form validation, or demoing CRM features with realistic-looking data. Never use the output for live contact — these numbers may route to real subscribers. For payment-gateway testing, prefer Stripe/Paddle test phone numbers from their documentation instead. Alternative: faker.js does the same in code, but this tool is faster for one-off batches and doesn't require a JavaScript project.
Last updated: 2026-04-24