Validate phone numbers in real time with line type and VoIP detection across 190+ countries, plus carrier name where live carrier data is available. One credit per check.
+44 20 7946 0958
country
GB
line type
landline
voip
No
international format
+44 20 7946 0958
line type source
numbering_plan
Identify mobile, landline, and VoIP lines so you route SMS and calls correctly, with carrier name where live carrier data is available.
Flag VoIP numbers and high-risk lines used in signup fraud, with a 0–100 fraud score per lookup.
Normalize international numbers and get ISO country codes so your data is consistent across regions.
Confirm numbers are valid and mobile before sales or SMS outreach.
Detect VoIP and virtual numbers used to create fake accounts at scale.
Remove invalid and landline numbers before you pay to send.
Try the free phone number validator, or read our guides.
FAQ
Common questions about VerifyGrid phone validation.
Start with 100 free credits after a quick phone check. Pay only for what you use after that, from $0.010 per lookup.