Intelligence · Number Data

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.

Try a lookup Read the docs

<100ms

HLR response

200+

Carriers

99.9%

API uptime

lookup — nudata.co.zaLive

→ HLR lookup +27 82 555 0142

← ACTIVE · MTN ZA · not roaming

mnp: ported 2021 from Vodacom

took: 82ms · MCCMNC 65510

+44 7700 ····EE GB61ms

+1 415 555 ····T-Mobile74ms

+234 80 ····unknown90ms

+27 60 123 ····invalid12ms

NU DATA

<100msHLR response

5M+Records / batch

200+Carriers

99.4%Match rate

The flow

Five hops from INVITE to answer.

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.

Live · 2.4M records / batch

Database intelligence

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

82msMedian lookup

99.4%Match rate

5M+Rows / batch

Capabilities

Full-stack, production-ready.

HLR / VLR lookups

Real-time home-register queries
Active / absent / roaming status
Sub-100ms response times
MCC/MNC network identification

MNP & carrier ID

Mobile number portability checks
Current network per number
Line-type (mobile / fixed / VoIP)
Porting history where available

Batch processing

Millions of records per job
CSV upload & scheduled runs
Webhook & S3 result delivery
Incremental re-validation

Compliance

DNC & TCPA suppression lists
Consent & do-not-contact flags
Pre-campaign list validation
Audit-ready logs

Data formats

E.164 normalisation
JSON & CSV in/out
Custom field mapping
SFTP & S3 transfer

Insights

Carrier & status distribution
List-health scoring
Match-rate reporting
Cost-per-lookup analytics

<100msHLR response

5M+Records / batch

200+Carriers

99.4%Match rate

NU DATA sits on direct carrier signalling links — fronted by our own validation, enrichment, and batch engine, so you query live registers worldwide through one simple API instead of negotiating SS7 interconnects.

Features

Everything you need to scale.

Built for the demands of modern telecoms and digital infrastructure — reliable, programmable, and production-ready.

HLR / VLR lookups

Real-time register queries — know whether a number is active, roaming, or ported before you dial.

MNP & carrier ID

Mobile number portability checks with carrier identification for every number.

Batch processing

Upload millions of records for overnight enrichment; download as CSV or stream via webhook.

DNC compliance

Manage Do-Not-Call and TCPA suppression; validate your list before every send.

Lookup in code

One number, one call.

Validate a single number live, or POST a batch of millions. Same API, JSON or CSV, webhooks on completion.

REST API + batch jobs
Webhook on batch completion
S3 / SFTP result delivery

lookup.sh

# live HLR lookup
curl https://api.nudata.co.za/v1/hlr/+27825550142 \
  -H "Authorization: Bearer $NU_DATA_KEY"

# → 200 OK
{ "status": "active", "carrier": "MTN ZA",
  "ported": true, "roaming": false,
  "mccmnc": "65510", "ms": 82 }

Clean your first list free.

Upload a sample and we'll enrich it on the house — see your real match rate before you commit.

Try a free batch Talk to sales

Free sample enrichment · No credit card required

All products

NU DATA·nudata.co.za

Live · 2.4M records / batch

Database intelligence

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

82msMedian lookup

99.4%Match rate

5M+Rows / batch

Capabilities

Full-stack, production-ready.

HLR / VLR lookups

Real-time home-register queries
Active / absent / roaming status
Sub-100ms response times
MCC/MNC network identification

MNP & carrier ID

Mobile number portability checks
Current network per number
Line-type (mobile / fixed / VoIP)
Porting history where available

Batch processing

Millions of records per job
CSV upload & scheduled runs
Webhook & S3 result delivery
Incremental re-validation

Compliance

DNC & TCPA suppression lists
Consent & do-not-contact flags
Pre-campaign list validation
Audit-ready logs

Data formats

E.164 normalisation
JSON & CSV in/out
Custom field mapping
SFTP & S3 transfer

Insights

Carrier & status distribution
List-health scoring
Match-rate reporting
Cost-per-lookup analytics

<100msHLR response

5M+Records / batch

200+Carriers

99.4%Match rate

Features

Everything you need to scale.

Built for the demands of modern telecoms and digital infrastructure — reliable, programmable, and production-ready.

HLR / VLR lookups

Real-time register queries — know whether a number is active, roaming, or ported before you dial.

MNP & carrier ID

Mobile number portability checks with carrier identification for every number.

Batch processing

Upload millions of records for overnight enrichment; download as CSV or stream via webhook.

DNC compliance

Manage Do-Not-Call and TCPA suppression; validate your list before every send.

Lookup in code

One number, one call.

Validate a single number live, or POST a batch of millions. Same API, JSON or CSV, webhooks on completion.

REST API + batch jobs
Webhook on batch completion
S3 / SFTP result delivery

lookup.sh

# live HLR lookup
curl https://api.nudata.co.za/v1/hlr/+27825550142 \
  -H "Authorization: Bearer $NU_DATA_KEY"

# → 200 OK
{ "status": "active", "carrier": "MTN ZA",
  "ported": true, "roaming": false,
  "mccmnc": "65510", "ms": 82 }

Clean your first list free.

Upload a sample and we'll enrich it on the house — see your real match rate before you commit.

Try a free batch Talk to sales

Free sample enrichment · No credit card required

Know every number before you dial.

Five hops from INVITE to answer.

Submit

Validate

HLR query

Enrich

Return

Cleanse millions in one pass.

Full-stack, production-ready.

HLR / VLR lookups

MNP & carrier ID

Batch processing

Compliance

Data formats

Insights

Everything you need to scale.

HLR / VLR lookups

MNP & carrier ID

Batch processing

DNC compliance

One number, one call.

Clean your first list free.

Cleanse millions in one pass.

Full-stack, production-ready.

HLR / VLR lookups

MNP & carrier ID

Batch processing

Compliance

Data formats

Insights

Everything you need to scale.

HLR / VLR lookups

MNP & carrier ID

Batch processing

DNC compliance

One number, one call.

Clean your first list free.