How to Detect VoIP Numbers: Line Type Lookup for SMS Compliance and Fraud Prevention

April 21, 2026

How to Detect VoIP Numbers: Line Type Lookup for SMS Compliance and Fraud Prevention

Carrier Lookup, fraud prevention, line type lookup, Phone Validation, SMS compliance, VoIP detection Real-time Data Validation Tool

VoIP numbers hide in your contact lists and cause TCPA violations, SMS delivery failures, and sign-up fraud. Learn how line type detection identifies VoIP numbers and protects your campaigns.

How do I find out if a phone number is a cell phone or landline?

Carrier Lookup, cell phone or landline, landline detection, line type lookup, mobile detection, Phone Number Validation Best Phone Validator, Bulk Phone Number Validation, Data Verification Tool, Google Phone Validator, Phone Number Validation, Phone Number Validator, Phone Verification Tool, Real Phone Validator, Real-time Data Validation Tool, Real-time Phone Number Validation Tool

How to Tell if a Number Is a Cell Phone or a Landline? To determine if a phone number is a cell phone or a landline, you can use several methods: 1. Manual Online Lookup Tools 2. Use a Phone Number Validation API 3. Check the area codes. 4. Carrier Information Web based API that […]