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LRN INFO

LRN INFO

LRN INFO

LRN INFO

LRN INFO

LRN INFO

LRN INFO LOOKUP

LRN + Other Related Data

Get real-time access to carrier identification, location routing numbers (LRNs), number portability data, and telecom routing intelligence. Our LRN lookup solutions help telecom providers, CPaaS platforms, financial institutions, call centers, fraud prevention companies, and enterprises make smarter routing, verification, and risk-management decisions.


Whether you're routing voice traffic, validating customer phone numbers, reducing messaging costs, or preventing fraud, our carrier lookup services deliver the accurate phone number intelligence your business needs.

WHAT DO YOU GET WITH A LRN INFO REQUEST?

Real-Time Number Portability Intelligence

Gain valuable insight into carrier relationships, routing paths, and network assignments using the following ported number data.


ANI - Original ANI sent in request

LRN - Local routing number.  Identity of the switch responsible for the ANI. 

LINE TYPE - Identifies if the ANI is wireless, wireline, VoIP, Toll-Free, etc.

CARRIER TYPE - Identifies the type of carrier the LRN belongs to.

OCN - Operating Company Number.  Access carrier ownership and network information. 

LRN CITY - Identifies the city associated with the LRN.

LRN STATE - Identifies the state associated with the LRN.

PORTED STATUS -  Identifies if a phone number has been ported between carriers. 

PORTED DATE - Identifies the date a phone number was ported between carriers. 

WANT TO SEE REAL RESULTS?

You can click here to test all APIs and see the results.

TEST NOW

HOW IT WORKS

Simple API. Powerful Results.

  1. Send an API Request to us.
    Send an ANI through our API request. 
  2. We Process Instantly
    Our continuously updated database checks for porting activity in our LRN database. 
  3. Receive the API Response from us.
    We return the agreed data in real time. 
  4. Proceed with Confidence with Your New Data.

TECHNICAL DETAILS FOR LRN INFO LOOKUP

API REQUEST - FROM CUSTOMER TO AAPI

Request:

{"username":"***********","password":"***********","request_date_time":"2026-05-23 13:05:17","universal_id":"APIREQ_20260523130517","request_type":"lrn_info","ani":"18176584172"}


API RESPONSE - FROM AAPI TO CUSTOMER

Response:

{"username":"***********","password":"***********","responseCode":200,"transactionId":"API_REQ_20260523130517","responseDateTime":"2026-05-23 13:05:17","responseData":{"ani":"8176584172","lrn":"8173209775","coc_type":"wireless","carrier_type":"cell","ocn":"6506","carrier":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX","city":"Arlington","state":"TX","ported_status":"Yes","ported_date":"2023-11-28 10:13:00"}}


INDUSTRIES USING LRN INFO

TELECOMMUNICATIONS CARRIERS

TELECOMMUNICATIONS CARRIERS

TELECOMMUNICATIONS CARRIERS

Optimize routing decisions and improve network efficiency through accurate telecom routing data.


Common Use Cases:

  • Voice routing
  • Carrier identification
  • Billing validation
  • Number portability management
  • Interconnect optimization

COMMUNICATIONS PLATFORMS

TELECOMMUNICATIONS CARRIERS

TELECOMMUNICATIONS CARRIERS

Communications Platform as a Service providers rely on accurate carrier data to optimize voice and messaging services.


Common Use Cases:

  • Carrier lookup API integrations
  • SMS routing
  • A2P messaging
  • Delivery optimization
  • Cost management

FINANCIAL INSTITUTIONS

TELECOMMUNICATIONS CARRIERS

Banks, lenders, and financial technology companies use phone number intelligence to reduce fraud risk.


Common Use Cases:

  • Customer verification
  • Fraud prevention
  • Account recovery
  • Multi-factor authentication
  • Risk scoring


FRAUD PREVENTION PROVIDERS

Insurance carriers use telecom intelligence to verify policyholders and reduce fraud exposure.


Common Use Cases:

  • Claims verification
  • Customer authentication
  • Fraud detection
  • Policyholder communications

INSURANCE COMPANIES

IDENTITY VERIFICATION NEEDS

Insurance carriers use telecom intelligence to verify policyholders and reduce fraud exposure.


Common Use Cases:

  • Claims verification
  • Customer authentication
  • Fraud detection
  • Policyholder communications

IDENTITY VERIFICATION NEEDS

IDENTITY VERIFICATION NEEDS

Insurance carriers use telecom intelligence to verify policyholders and reduce fraud exposure.


Common Use Cases:

  • Claims verification
  • Customer authentication
  • Fraud detection
  • Policyholder communications

HEALTHCARE ORGANIZATIONS

MARKETING LEAD GENERATION

MARKETING LEAD GENERATION

Healthcare providers use carrier lookup services to improve patient communication programs.


Common Use Cases:

  • Appointment reminders
  • Patient verification
  • Secure communications
  • Outreach campaigns

MARKETING LEAD GENERATION

MARKETING LEAD GENERATION

MARKETING LEAD GENERATION

Improve lead quality and campaign effectiveness using current phone number intelligence.


Common Use Cases:

  • Lead validation
  • Carrier identification
  • Audience segmentation
  • Contact verification

BANKS and CREDIT UNIONS

MARKETING LEAD GENERATION

BANKS and CREDIT UNIONS

Insurance carriers use telecom intelligence to verify policyholders and reduce fraud exposure.


Common Use Cases:

  • Claims verification
  • Customer authentication
  • Fraud detection
  • Policyholder communications

FREQUENTLY ASKED QUESTIONS

Please reach us at support@authenticationAPI.com if you cannot find an answer to your question.

Number portability services identify the current carrier serving a phone number, which improves routing accuracy, fraud detection, and customer verification. 


Yes. Number portability data can indicate whether a phone number has been transferred between carriers. 


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