Know every number before you dial.
Sub-100ms HLR/VLR lookups, MNP porting checks, and carrier identification — plus batch enrichment for millions of records. Cleanse your database, validate numbers live, and manage DNC compliance at scale.
How it works
From request to result, in 5 steps.
01 · SUBMIT
Submit
Single lookup via REST or a CSV batch of any size.
02 · VALIDATE
Validate
Format, country, and number-plan checks weed out invalid input first.
03 · QUERY
HLR query
Live query to the home register — active, absent, or roaming status.
04 · ENRICH
Enrich
Carrier name, MNP porting, and line type appended to each record.
05 · RETURN
Return
Clean data returned via API, webhook, or downloadable export.
Cleanse millions in one pass.
Upload your contact list and get back active status, carrier, and porting per number — overnight or streamed via webhook. Suppress invalid numbers before they cost you a campaign.
- Live HLR / VLR status per number
- MNP & carrier identification
- DNC / TCPA suppression management
Clean your first list free.
Upload a sample and we'll enrich it on the house — see your real match rate before you commit.
Free sample enrichment · No credit card required
NU DATA · part of the NU GUI platform