Free Phone Number Validator

Validation Checks

• Format — Correct number of digits, valid area code
• Assignment — Number is assigned in carrier database (NPAC)
• Line Type — Wireless, landline, VoIP, or toll-free
• Carrier — Which company serves this number

Try Phone Validator

Open Free Lookup Tool

API example:

curl -X POST https://api-service.verirouteintel.io/api/v1/lrn \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"phone_number": "15551234567"}'

# Response:
{
  "data": {
    "phone_number": "15551234567",
    "lrn": "5551230000",
    "carrier": "Verizon Wireless"
  },
  "success": true
}

Why Validate Phone Numbers?

Improve Contact Rates

10-25% of phone lists contain invalid numbers. Removing them improves:

• Contact rates by 20-50%
• Agent productivity
• Campaign ROI

Reduce Costs

Don't pay to dial numbers that can't connect:

• Save on per-call/SMS costs
• Reduce wasted agent time
• Improve cost per contact

Better Data Quality

Keep your CRM clean:

• Flag invalid numbers at entry
• Identify stale records
• Track data quality over time

Bulk Phone Validation

Validate entire contact lists efficiently:

1. Upload CSV — Submit your phone list
2. Preview Results — See validation stats before paying
3. Process — Validate all numbers
4. Download — Get enriched CSV with validity status

Email notification when your batch completes.

When to Validate

• At entry — Validate during form submission
• Before campaigns — Clean lists before outreach
• Periodically — Re-validate every 90 days
• On import — Validate purchased/imported lists