Free Phone Lookup Tool

What You Get

Our phone lookup tool returns comprehensive data about any US phone number:

• Carrier — Current serving carrier (Verizon, AT&T, T-Mobile, etc.)
• Line Type — Wireless, landline, VoIP, or toll-free
• CNAM — Registered caller ID name
• LRN Activation Date — When number was last ported (exclusive)
• OCN — Operating Company Number
• Ported Status — Whether number has been ported

Try Phone Lookup

Open Free Lookup Tool

Or use the API directly:

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

Common Use Cases

Contact Validation

Verify phone numbers before adding to your CRM or calling:

• Check if number is valid and assigned
• Identify line type for appropriate outreach
• Get caller name for verification

Fraud Detection

Screen phone numbers for fraud signals:

• Check LRN Activation Date for recent porting (SIM swap risk)
• Identify VoIP numbers (easier to obtain anonymously)
• Verify CNAM matches provided identity

Routing Optimization

Get accurate carrier data for routing decisions:

• Identify current carrier (not original)
• Choose optimal routing paths
• Apply correct carrier-based rates

Bulk Lookup

Need to look up many numbers? Use our bulk upload feature:

• Upload CSV with phone numbers
• Preview results before paying
• Download enriched CSV when complete
• Email notification when job finishes

Sign up to access bulk uploads.