Non-VoIP vs VoIP Numbers: Why It Matters for SMS Verification 2025
•TrustOTP Team
Understanding Non-VoIP Numbers
Many services block VoIP numbers. Here's why non-VoIP numbers are essential for successful verification in 2025.
VoIP vs Non-VoIP: Key Differences
❌ VoIP Numbers
- • Internet-based phone numbers
- • Easily detected by services
- • Blocked by WhatsApp, banks, etc.
- • Often recycled frequently
- • No carrier verification
✅ Non-VoIP Numbers
- • Real mobile carrier numbers
- • Pass all verification checks
- • Work with every service
- • Carrier-verified authentic
- • Higher deliverability rate
Services That Block VoIP Numbers
Social Media
- • Twitter/X
Financial
- • PayPal
- • Venmo
- • Banking apps
Dating Apps
- • Tinder
- • Hinge
- • Bumble
TrustOTP provides only real, non-VoIP US mobile numbers
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