HLR LOOKUP · NUMBER INTELLIGENCE

Know more about every number.
Before you send.

Query available mobile number, carrier and network information to make better routing decisions, reduce unnecessary attempts and improve SMS efficiency.

Request HLR accessView integration
NUMBER LOOKUPREADY
PHONE NUMBER+34 6•• ••• •••
LINE TYPEMobile
COUNTRYES
NETWORKAvailable
MCC / MNC214 / ••

Conceptual response. Final fields depend on enabled coverage.

Intelligence before traffic

More information before traffic. Less uncertainty afterwards.

HLR Lookup enriches a number with available technical signals before it is used for a campaign, authentication or transactional flow. BulkSMSMarket turns those signals into practical context for validation, segmentation and routing.

Format and country

International normalization, country code and structural number validation.

Line type

Mobile, landline, VoIP or another category when supported by the source.

Current carrier

The network associated with the number when available, particularly useful after porting.

MCC and MNC

Mobile country and network codes for classification, reporting and routing.

Status or reachability

An availability signal when supported by the country and carrier.

Roaming

Roaming information when included in the available lookup coverage.

Returned fields depend on country, carrier, network availability and lookup type. Not every field is available in every market.

How it works

One lookup. Three better decisions.

Integrate the lookup before sending or use it to enrich an existing database.

01

Query

Send a number in international format through the API or a batch process.

02

Enrich

The platform queries available sources and normalizes the technical signals.

03

Act

Use the result to validate, segment, select a route or decide whether to send.

Business use cases

Useful intelligence at every traffic stage.

HLR Lookup enriches a number with available technical signals before it is used for a campaign, authentication or transactional flow. BulkSMSMarket turns those signals into practical context for validation, segmentation and routing.

Database cleaning

Identify invalid formats, non-mobile lines and records requiring review.

Campaign optimization

Reduce some unproductive attempts and focus budget on contacts with better signals.

OTP and authentication

Check line type and available signals before starting a sensitive flow.

Route selection

Use carrier and MCC/MNC data for more precise decisions in ported markets.

Wholesale SMS

Understand traffic composition by country and carrier before assigning capacity.

Roaming

Adapt decisions when roaming information is available and relevant.

Built for operations

HLR integrated into your operation.

Query one number from your systems or process complete databases. Structured results are ready for automation, reporting and routing.

  • HTTP API
  • Single lookup
  • Batch processing
  • Callbacks or result retrieval
  • CSV export
  • Normalized result codes
hlr-lookup-response.json
{
  "number": "+346XXXXXXXX",
  "valid": true,
  "line_type": "mobile",
  "country_code": "ES",
  "mcc": "214",
  "mnc": "••",
  "carrier": "Example Network",
  "reachability": "available",
  "roaming": false
}
Conceptual response. Final fields depend on enabled coverage.
Clear limits

A technical signal, not a delivery promise.

An HLR result reflects information available at a given time. Final delivery also depends on route, carrier, device, coverage, network policy, sender and content.

  • A valid number does not mean the user has given consent.
  • HLR alone does not verify identity or ownership of a number.
  • Results may change after porting, roaming or network updates.
  • Field availability and accuracy vary by market and source.
FAQ

HLR Lookup questions.

A technical query that retrieves available information about a mobile number and its associated network.

No. It can run before sending and displays no message to the recipient.

No. It provides useful signals, but delivery depends on additional technical and commercial factors.

It may identify the current carrier when that information is available for the queried market and network.

The proposed service supports individual API lookups and batch processing.

Add intelligence before every send.

Tell us your volume, target countries and how HLR should fit into your operation.

Request HLR access